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公开(公告)号:US2861833A
公开(公告)日:1958-11-25
申请号:US39115753
申请日:1953-11-10
Applicant: STOFFEL SEALS CORP
Inventor: HENRY NIERHAUS
IPC: G09F3/03
CPC classification number: G09F3/0305 , G09F3/0323 , Y10T292/50
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公开(公告)号:US2631054A
公开(公告)日:1953-03-10
申请号:US10251949
申请日:1949-07-01
Applicant: STOFFEL SEALS CORP
Inventor: HENRY NIERHAUS
IPC: G09F3/03
CPC classification number: G09F3/0323 , Y10T292/492
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公开(公告)号:US3157421A
公开(公告)日:1964-11-17
申请号:US11179561
申请日:1961-05-22
Applicant: STOFFEL SEALS CORP
Inventor: HENRY NIERHAUS
IPC: G09F3/03
CPC classification number: G09F3/0352 , Y10T24/1498 , Y10T292/495 , Y10T292/50
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公开(公告)号:US2590883A
公开(公告)日:1952-04-01
申请号:US7796949
申请日:1949-02-23
Applicant: STOFFEL SEALS CORP
Inventor: HENRY NIERHAUS
CPC classification number: A22C17/10 , G09F3/06 , Y10T24/44889
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公开(公告)号:US3128114A
公开(公告)日:1964-04-07
申请号:US10625161
申请日:1961-04-28
Applicant: STOFFEL SEALS CORP
Inventor: HENRY NIERHAUS
IPC: G09F3/03
CPC classification number: G09F3/0352 , Y10T292/498
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公开(公告)号:US2630568A
公开(公告)日:1953-03-10
申请号:US10252049
申请日:1949-07-01
Applicant: STOFFEL SEALS CORP
Inventor: HENRY NIERHAUS
IPC: B25B7/20
CPC classification number: B25B7/20
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