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3753194
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H01 - BASIC ELECTRIC ELEMENTS
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3745501
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G01 - MEASURING TESTING
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3354944
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Patent number 3,354,944
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F24 - HEATING RANGES VENTILATING
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3315055
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G01 - MEASURING TESTING
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3148830
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G05 - CONTROLLING REGULATING
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3147364
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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3013139
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Patent number 3,013,139
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H01 - BASIC ELECTRIC ELEMENTS
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2990463
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Patent number 2,990,463
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H01 - BASIC ELECTRIC ELEMENTS
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2906844
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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2824942
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Patent number 2,824,942
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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2660005
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Patent number 2,660,005
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B60 - VEHICLES IN GENERAL
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2596825
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B60 - VEHICLES IN GENERAL
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2557727
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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2519853
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G01 - MEASURING TESTING
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2401004
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Patent number 2,401,004
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G05 - CONTROLLING REGULATING
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2006351
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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1969319
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Patent number 1,969,319
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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1900831
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Patent number 1,900,831
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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1760064
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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1730366
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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1717155
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Patent number 1,717,155
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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1542850
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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1524430
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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1514085
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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1474150
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Patent number 1,474,150
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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1395955
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Patent number 1,395,955
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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1365782
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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1363776
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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1270851
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G05 - CONTROLLING REGULATING
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1246927
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G05 - CONTROLLING REGULATING