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公开(公告)号:CA124538A
公开(公告)日:1910-03-22
申请号:CA124538D
申请日:1909-12-29
Applicant: SEAMAN WILLIAM A , SEAMAN ELIZABETH W
Inventor: SEAMAN WILLIAM A
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公开(公告)号:US1696866A
公开(公告)日:1928-12-25
申请号:US13736626
申请日:1926-09-23
Applicant: SEAMAN WILLIAM A
Inventor: SEAMAN WILLIAM A
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公开(公告)号:US1558402A
公开(公告)日:1925-10-20
申请号:US57312922
申请日:1922-07-06
Applicant: SEAMAN WILLIAM A
Inventor: SEAMAN WILLIAM A
IPC: B24B53/14
CPC classification number: B24B53/14 , Y10T16/1847
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