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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Patent number 2,499,179
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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2498402
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Patent number 2,096,690
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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2068550
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Patent number 2,068,550
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Issue date Jan 19, 1937
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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2067830
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Patent number 2,067,830
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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2006442
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Patent number 2,006,442
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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2004025
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Patent number 2,004,025
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Issue date Jun 4, 1935
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F24 - HEATING RANGES VENTILATING
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Patent number 2,001,742
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D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
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Patent number 2,000,619
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Patent number 1,989,144
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Issue date Jan 29, 1935
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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1987947
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Patent number 1,987,947
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Patent number 1,987,942
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Issue date Jan 15, 1935
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D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
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Patent number 1,978,175
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1953765
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Patent number 1,860,325
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1843918
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Patent number 1,843,918
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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1818139
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Patent number 1,818,139
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