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公开(公告)号:US3298107A
公开(公告)日:1967-01-17
申请号:US46225865
申请日:1965-06-08
Applicant: STORA KOPPARBERGS BERGSLAGS AB
Inventor: REIDAR BERGSTROM ERNST
IPC: B23C5/24
CPC classification number: B23C5/2472 , B23C5/2444 , Y10T407/1918 , Y10T407/1922 , Y10T407/1938 , Y10T407/194 , Y10T409/105565
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公开(公告)号:US3203493A
公开(公告)日:1965-08-31
申请号:US27789263
申请日:1963-05-03
Applicant: STORA KOPPARBERGS BERGSLAGS AB
Inventor: REIDAR BERGSTROM ERNST
CPC classification number: B23D77/04 , B23B51/048 , B23B2251/201 , B23B2251/56 , B23D77/048 , B23D2277/201 , Y10T83/9469 , Y10T407/2246 , Y10T408/8595
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