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Method for the lining of existing pipes
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Patent number 6,240,612
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Issue date Jun 5, 2001
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British Gas plc
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Brian Edward McGuire
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Anaerobically curable composition
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Patent number 6,172,134
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Issue date Jan 9, 2001
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British Gas PLC
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Bernard Cooke
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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-
-
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Fuel fired burners
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Patent number 5,993,200
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Issue date Nov 30, 1999
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British Gas plc
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Roland Vincent Horatio Palmer-Jones
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Frame for sign
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Patent number 5,950,969
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Issue date Sep 14, 1999
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British Gas plc
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Robert Neal Bennett
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B60 - VEHICLES IN GENERAL
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Liquid metering
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Patent number 5,936,156
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Issue date Aug 10, 1999
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British Gas plc
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Graham Richard Roberts
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G01 - MEASURING TESTING
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Carburetor
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Patent number 5,916,831
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Issue date Jun 29, 1999
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British Gas plc
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Dennis John Jager
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Pipe blocking technique
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Patent number 5,878,784
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Issue date Mar 9, 1999
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British Gas plc
-
Brian Thomas Sales
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E03 - WATER SUPPLY SEWERAGE
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Pipeline vehicle
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Patent number 5,878,783
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Issue date Mar 9, 1999
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British Gas PLC
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Andrew Smart
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Enhancing pipes
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Patent number 5,845,668
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Issue date Dec 8, 1998
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British Gas PLC
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John Taylor
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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-
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Guiding of a pipe travelling device
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Patent number 5,823,115
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Issue date Oct 20, 1998
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British Gas plc
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Michael Cotton
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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-
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Pipe repair clamp
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Patent number 5,797,432
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Issue date Aug 25, 1998
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British Gas PLC
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Peter George Bennett
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Fuel-fired burners
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Patent number 5,795,144
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Issue date Aug 18, 1998
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British Gas PLC
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Ming-Biu Tung
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F24 - HEATING RANGES VENTILATING
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Temporary cover for excavations
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Patent number 5,775,031
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Issue date Jul 7, 1998
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British Gas PLC
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Raymonde Maxwell Levy
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Method of sealing an outlet opening
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Patent number 5,740,829
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Issue date Apr 21, 1998
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British Gas PLC
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Michael Jacobs
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Seal for enhancing pipes
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Patent number 5,738,357
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Issue date Apr 14, 1998
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British Gas PLC
-
John Taylor
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Fluid pressure reduction
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Patent number 5,730,166
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Issue date Mar 24, 1998
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British Gas PLC
-
Robert Ackerley
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F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
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Game board data package
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Patent number D391319
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Issue date Feb 24, 1998
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British Gas PLC
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Marc Andrew Bond
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D21 - Games, toys, and sports goods
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Game board solution
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Patent number D388130
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Issue date Dec 23, 1997
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British Gas PLC
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Marc Andrew Bond
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D21 - Games, toys, and sports goods
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74732946 - NULINE
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Serial number 74732946
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Filing date Sep 5, 1995
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British Gas plc
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17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
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74709787 - PECAT
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Serial number 74709787
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Filing date Aug 1, 1995
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BRITISH GAS PLC
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6 - Common metals and their alloys
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74688083 - PIPEBURSTING
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Serial number 74688083
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Registration number 2578917
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Filing date Jun 14, 1995
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British Gas plc
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37 - Building construction
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74688084 - PIPEBURSTING
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Serial number 74688084
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Registration number 2578918
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Filing date Jun 14, 1995
-
British Gas plc
-
37 - Building construction
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74589334 - BRITISH GAS
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Serial number 74589334
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Filing date Oct 24, 1994
-
BRITISH GAS PLC
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37 - Building construction
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74589333
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Serial number 74589333
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Registration number 2034777
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Filing date Oct 24, 1994
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BRITISH GAS PLC
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4 - Industrial oils and greases
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74589335 - BRITISH GAS
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Serial number 74589335
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Filing date Oct 24, 1994
-
BRITISH GAS PLC
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4 - Industrial oils and greases
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74589332
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Serial number 74589332
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Registration number 2153253
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Filing date Oct 24, 1994
-
BRITISH GAS PLC
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37 - Building construction
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74433645 - PIPEVISION
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Serial number 74433645
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Registration number 1900402
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Filing date Sep 8, 1993
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BRITISH GAS PLC
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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74399573 - ROTAMOLE
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Serial number 74399573
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Registration number 1914520
-
Filing date Jun 9, 1993
-
British Gas plc
-
7 - Machines and machine tools
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74399616 - ROTAMOLE
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Serial number 74399616
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Registration number 1892935
-
Filing date Jun 9, 1993
-
British Gas plc
-
7 - Machines and machine tools
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74399601 - ROTAMOLE
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Serial number 74399601
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Registration number 1892934
-
Filing date Jun 9, 1993
-
British Gas plc
-
7 - Machines and machine tools
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74251722 - SWAGE LINING
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Serial number 74251722
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Registration number 1833477
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Filing date Mar 3, 1992
-
BRITISH GAS PLC
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37 - Building construction
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74147796 - SWAGELINING
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Serial number 74147796
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Registration number 1834904
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Filing date Mar 12, 1991
-
BRITISH GAS PLC
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37 - Building construction
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73765275 - PECAT
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Serial number 73765275
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Registration number 1543245
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Filing date Nov 22, 1988
-
BRITISH GAS PLC
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6 - Common metals and their alloys
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73758974 - SWAGE LINING
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Serial number 73758974
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Registration number 1578635
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Filing date Oct 21, 1988
-
BRITISH GAS PLC
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7 - Machines and machine tools
-
-
-
73444555 - GASCOPLEX
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Serial number 73444555
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Registration number 1418194
-
Filing date Sep 20, 1983
-
British Gas Corporation
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
-
73439551 - GASCOPACT
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Serial number 73439551
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Registration number 1317760
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Filing date Aug 16, 1983
-
British Gas Corporation
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments