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Patents > Tech fields : Marine or lift or None & CPCs : CPC B64B1/58 or CPC B64C2700/6295

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None (418)
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Patent agent:
None (326) · None (11) · Armengaud jeune (5) · Hyde & Heide (4) · Brandon frères (3) · Marks & Clerk (3)
National tech categories:
None (303) · FR 6.4 (59) · USPC 244/45R (19) · USPC 244/13 (11) · USPC 244/91 (4) · USPC 244/90R (4) · USPC 244/87 (4) · USPC 244/119 (3) · USPC 244/144 (3) · USPC 244/101 (3) · USPC 244/139 (3) · USPC 244/48 (3) · USPC 244/50 (3) · USPC 244/113 (3) · CPC B 64C39/00 (2) · USPC 244/60 (2) · USPC 244/35R (2) · USPC 244/107 (2) · USPC 244/104R (2) · USPC 244/903 (2)
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