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公开(公告)号:US1354785A
公开(公告)日:1920-10-05
申请号:US23308418
申请日:1918-05-07
Applicant: RUDOLPH W GLASNER
Inventor: DAVID STRAND
IPC: B21D24/02
CPC classification number: B21D24/02
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公开(公告)号:US1404245A
公开(公告)日:1922-01-24
申请号:US15736617
申请日:1917-03-26
Applicant: RUDOLPH W GLASNER
Inventor: DAVID STRAND
IPC: D04H18/00
CPC classification number: D04H18/00 , D04H18/02 , Y10T74/1955
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公开(公告)号:US1401371A
公开(公告)日:1921-12-27
申请号:US22760818
申请日:1918-04-09
Applicant: RUDOLPH W GLASNER
Inventor: DAVID STRAND
IPC: B21D24/02
CPC classification number: B21D24/02
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