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公开(公告)号:US1331550A
公开(公告)日:1920-02-24
申请号:US24214218
申请日:1918-06-27
Applicant: DAVIS SEWING MACHINE COMPANY
Inventor: RALPH WISHON
IPC: B62D55/02
CPC classification number: B62D55/02
公开(公告)号:US1331550A
公开(公告)日:1920-02-24
申请号:US24214218
申请日:1918-06-27
Applicant: DAVIS SEWING MACHINE COMPANY
Inventor: RALPH WISHON
IPC: B62D55/02
CPC classification number: B62D55/02