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公开(公告)号:US1920584A
公开(公告)日:1933-08-01
申请号:US63582732
申请日:1932-10-01
Applicant: J & CG BOLINDERS MEK VERKST AB
Inventor: RUDOLF OSTERBERG KARL ERIK
IPC: B27B3/20
CPC classification number: B27B3/20 , Y10T83/2077
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公开(公告)号:US1868845A
公开(公告)日:1932-07-26
申请号:US55073731
申请日:1931-07-14
Applicant: J & CG BOLINDERS MEK VERKST AB
Inventor: RUDOLF OSTERBERG KARL ERIK
IPC: B27B3/30
CPC classification number: B27B3/30 , Y10T83/937 , Y10T83/9454
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公开(公告)号:US1794350A
公开(公告)日:1931-02-24
申请号:US45909230
申请日:1930-06-03
Applicant: J & CG BOLINDERS MEK VERKST AB
Inventor: RUDOLF OSTERBERG KARL ERIK
IPC: B27B3/18
CPC classification number: B27B3/18 , Y10T83/6475
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公开(公告)号:US1794352A
公开(公告)日:1931-02-24
申请号:US45909430
申请日:1930-06-03
Applicant: J & CG BOLINDERS MEK VERKST AB
Inventor: RUDOLF OSTERBERG KARL ERIK
IPC: B27B3/18
CPC classification number: B27B3/18 , Y10T83/6475
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公开(公告)号:US1794351A
公开(公告)日:1931-02-24
申请号:US45909330
申请日:1930-06-03
Applicant: J & CG BOLINDERS MEK VERKST AB
Inventor: RUDOLF OSTERBERG KARL ERIK
IPC: B27B3/14
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