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公开(公告)号:US3440895A
公开(公告)日:1969-04-29
申请号:US3440895D
申请日:1967-08-31
Applicant: NAT RES DEV
Inventor: FELLOWS THOMAS GEORGE
IPC: F16H15/38 , F16H61/664 , F16H15/08 , F16H15/16
CPC classification number: F16H61/664 , F16H2015/383
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公开(公告)号:US3494224A
公开(公告)日:1970-02-10
申请号:US3494224D
申请日:1968-06-17
Applicant: NAT RES DEV
Inventor: FELLOWS THOMAS GEORGE , PERRY FORBES GEORGE DE BRIE
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