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Patents > CPCs : CPC B64C11/48 or CPC B64C3/56 or CPC B64C39/005

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None (168) · Munn & Co. (12) · None (7) · Marks & Clerk (6) · Armengaud jeune (5) · C. A. Snow & Co. (4) · G. de Mestral et F. Harlé (3) · L. Chassevent (3) · Charles Dony (3) · Victor J. Evans (3) · Boramé et Julien (3) · Boult, Wade & Tennant (3)
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None (198) · FR 6.4 (49) · USPC 244/70 (16) · USPC 244/9 (13) · USPC 244/20 (12) · USPC 244/49 (8) · USPC 416/128 (6) · USPC 416/200R (6) · USPC 416/129 (6) · FR 6.3 (6) · DE 77h.5 (5) · USPC 244/39 (4) · USPC 244/19 (3)
CPCs: (Click arrow to add another value)
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