-
-
1733292
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Patent number 1,733,292
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Issue date Oct 29, 1929
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F22 - STEAM GENERATION
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1573097
-
Patent number 1,573,097
-
Issue date Feb 16, 1926
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F22 - STEAM GENERATION
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1572613
-
Patent number 1,572,613
-
Issue date Feb 9, 1926
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F22 - STEAM GENERATION
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1538436
-
Patent number 1,538,436
-
Issue date May 19, 1925
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F24 - HEATING RANGES VENTILATING
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1328593
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Patent number 1,328,593
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Issue date Jan 20, 1920
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES