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Load-carrying pallet
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Patent number 5,769,001
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Issue date Jun 23, 1998
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Hans Viessmann
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Radiant burner for boilers
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Patent number 5,474,443
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Issue date Dec 12, 1995
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Viessmann Werke Gmbh & Co
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Hans Viessmann
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Hot gas flue pipe
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Patent number 4,955,432
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Issue date Sep 11, 1990
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Hans Viessmann
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F24 - HEATING RANGES VENTILATING
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Fuel burning boiler
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Patent number 4,327,672
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Issue date May 4, 1982
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Hans Viessmann
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F24 - HEATING RANGES VENTILATING
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Boiler
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Patent number 4,169,431
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Issue date Oct 2, 1979
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Hans Viessmann
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F24 - HEATING RANGES VENTILATING
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Water heating boiler
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Patent number 4,157,698
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Issue date Jun 12, 1979
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Hans Viessmann
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F24 - HEATING RANGES VENTILATING
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Connecting structure for shelves
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Patent number 4,120,250
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Issue date Oct 17, 1978
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Hans Viessmann
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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