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公开(公告)号:US2955594A
公开(公告)日:1960-10-11
申请号:US82604659
申请日:1959-07-09
Applicant: RICHARDS MFG COMPANY
Inventor: CRAIG WILLIAM A
IPC: A61F5/01
CPC classification number: A61F5/0193
公开(公告)号:US2955594A
公开(公告)日:1960-10-11
申请号:US82604659
申请日:1959-07-09
Applicant: RICHARDS MFG COMPANY
Inventor: CRAIG WILLIAM A
IPC: A61F5/01
CPC classification number: A61F5/0193