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公开(公告)号:US3459026A
公开(公告)日:1969-08-05
申请号:US3459026D
申请日:1967-07-28
Applicant: STANRAY CORP
Inventor: ALLEN JOHN W , HACHLER WESLEY R
CPC classification number: B21D31/04 , Y10T29/185 , Y10T29/496
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公开(公告)号:CA852514A
公开(公告)日:1970-09-29
申请号:CA852514D
Applicant: STANRAY CORP
Inventor: ALLEN JOHN W , HACHLER WESLEY R
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