Drilldown: Patents

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Patents > Family year: 1912 & Number of diagram pages: None

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None (193) · FR 6.4 (34) · BE K (29) · USPC 244/139 (7) · USPC 244/147 (6) · USPC 244/90R (4) · HU V/h (4) · IT 8 (4) · DE 77h (3) · USPC 244/73R (3) · USPC 244/234 (3) · USPC 244/233 (3) · USPC 244/149 (3)
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None (105) · CPC B64C2700/6295 (29) · CPC B64C39/00 (17) · CPC B64C13/00 (15) · CPC B64C17/00 (12) · CPC B64C35/00 (11) · CPC B64B1/00 (9) · CPC B64C23/005 (6) · CPC B64C1/00 (6) · CPC B64C39/008 (6) · CPC B64B1/58 (6) · CPC B64C3/14 (6) · CPC B64C33/02 (5) · CPC B64C39/005 (5) · CPC B64C11/006 (5)
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