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1.Apparatus for welding a chain link and thereafter trimming the flash from the weld 失效
Title translation: 用于焊接链节并随后从焊缝修整闪光的装置公开(公告)号:US2824420A
公开(公告)日:1958-02-25
申请号:US32917853
申请日:1953-01-02
Applicant: PAUL ESSER , HANS STUTZER , WILHELM WATTLER
Inventor: PAUL ESSER , HANS STUTZER , WILHELM WATTLER
CPC classification number: B21L15/00 , B21L3/02 , Y10T409/501476
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公开(公告)号:US2688838A
公开(公告)日:1954-09-14
申请号:US20098150
申请日:1950-12-15
Applicant: WILHELM WATTLER
Inventor: WILHELM WATTLER
IPC: B21L3/02
CPC classification number: B21L3/02
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公开(公告)号:US3431723A
公开(公告)日:1969-03-11
申请号:US3431723D
申请日:1964-07-17
Applicant: WILHELM WATTLER
Inventor: WATTLER WILHELM
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公开(公告)号:US2712657A
公开(公告)日:1955-07-12
申请号:US17286650
申请日:1950-07-10
Applicant: HANS STUTZER , WILHELM WATTLER , MATTHIAS HERMANN
Inventor: HANS STUTZER , WILHELM WATTLER , MATTHIAS HERMANN
IPC: B21F99/00
CPC classification number: B21F23/00 , Y10T74/2102
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