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公开(公告)号:US2288448A
公开(公告)日:1942-06-30
申请号:US33319640
申请日:1940-05-03
Applicant: B B CHEM CO
Inventor: GRISWOLD STANLEY M
IPC: A43B13/39
CPC classification number: A43B13/39
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公开(公告)号:US2790189A
公开(公告)日:1957-04-30
申请号:US36540053
申请日:1953-07-01
Applicant: B B CHEM CO
Inventor: GRISWOLD STANLEY M
IPC: A43B13/39
CPC classification number: A43B13/39
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公开(公告)号:US2651857A
公开(公告)日:1953-09-15
申请号:US15658850
申请日:1950-04-18
Applicant: B B CHEM CO
Inventor: GRISWOLD STANLEY M , REYNOLDS JR HAROLD C
IPC: A43D11/00
CPC classification number: A43D11/003
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公开(公告)号:US2255353A
公开(公告)日:1941-09-09
申请号:US29193939
申请日:1939-08-25
Applicant: B B CHEM CO
Inventor: GRISWOLD STANLEY M
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公开(公告)号:US2182022A
公开(公告)日:1939-12-05
申请号:US8816736
申请日:1936-06-30
Applicant: B B CHEM CO
Inventor: GRISWOLD STANLEY M
IPC: A43D11/00
CPC classification number: A43D11/003
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