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公开(公告)号:US898268A
公开(公告)日:1908-09-08
申请号:US1908420630
申请日:1908-03-12
Applicant: RUSSELL ALEXANDER , DINSMOOR JAMES D
Inventor: RUSSELL ALEXANDER , DINSMOOR JAMES D
CPC classification number: F16H3/14 , Y10S254/901 , Y10T74/19409 , Y10T74/19484
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公开(公告)号:US962009A
公开(公告)日:1910-06-21
申请号:US1909509089
申请日:1909-07-23
Applicant: DINSMOOR JAMES D
Inventor: DINSMOOR JAMES D
CPC classification number: E21B43/12
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