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公开(公告)号:US1258162A
公开(公告)日:1918-03-05
申请号:US7705616
申请日:1916-02-08
Applicant: STEWART WILLIAM L
Inventor: STEWART WILLIAM L
CPC classification number: A61F2/18 , A61F2002/183
公开(公告)号:US1258162A
公开(公告)日:1918-03-05
申请号:US7705616
申请日:1916-02-08
Applicant: STEWART WILLIAM L
Inventor: STEWART WILLIAM L
CPC classification number: A61F2/18 , A61F2002/183