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Manufacture of metal tubes
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Patent number 5,129,571
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Issue date Jul 14, 1992
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Pirelli General plc
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Jack Clark
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Manufacture of metal tubes
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Patent number 5,119,984
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Issue date Jun 9, 1992
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Pirelli General plc
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Jack Clark
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3399449
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Patent number 3,399,449
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Issue date Sep 3, 1968
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H01 - BASIC ELECTRIC ELEMENTS
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3172388
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Patent number 3,172,388
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Issue date Mar 9, 1965
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2499853
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Patent number 2,499,853
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Issue date Mar 7, 1950
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H01 - BASIC ELECTRIC ELEMENTS
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2156934
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Patent number 2,156,934
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Issue date May 2, 1939
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H01 - BASIC ELECTRIC ELEMENTS
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2156952
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Patent number 2,156,952
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Issue date May 2, 1939
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H01 - BASIC ELECTRIC ELEMENTS
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2121942
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Patent number 2,121,942
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Issue date Jun 28, 1938
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H01 - BASIC ELECTRIC ELEMENTS
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2090744
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Patent number 2,090,744
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Issue date Aug 24, 1937
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H01 - BASIC ELECTRIC ELEMENTS