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公开(公告)号：US2131261A
公开(公告)日：1938-09-27
申请号：US13512437
申请日：1937-04-05
Applicant: CURTIS COMPANIES INC
Inventor： ALDEEN GEDOR W , SERN MADSEN
CPC classification number: F16G13/02 , F16H19/0645 , F16H25/2409 , Y10S254/06 , Y10T74/19819
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