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公开(公告)号:US947346A
公开(公告)日:1910-01-25
申请号:US1909483526
申请日:1909-03-15
Applicant: RICHARDS MFG COMPANY
Inventor: PAQUETTE HERMAN A
CPC classification number: B25B13/46
公开(公告)号:US947346A
公开(公告)日:1910-01-25
申请号:US1909483526
申请日:1909-03-15
Applicant: RICHARDS MFG COMPANY
Inventor: PAQUETTE HERMAN A
CPC classification number: B25B13/46