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公开(公告)号:US2189812A
公开(公告)日:1940-02-13
申请号:US15801837
申请日:1937-08-09
Applicant: B B CHEM CO
Inventor: MCGILL JOHN H , WEDGER WALTER H
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公开(公告)号:US2217961A
公开(公告)日:1940-10-15
申请号:US15801737
申请日:1937-08-09
Applicant: B B CHEM CO
Inventor: MCGILL JOHN H
CPC classification number: A43B21/04 , A43B21/00 , C14C9/00 , Y10S36/02 , Y10T428/31801
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公开(公告)号:US2217762A
公开(公告)日:1940-10-15
申请号:US15801937
申请日:1937-08-09
Applicant: B B CHEM CO
Inventor: MCGILL JOHN H , WEDGER WALTER H
IPC: C14C9/00
CPC classification number: C14C9/00
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公开(公告)号:US2189811A
公开(公告)日:1940-02-13
申请号:US15801637
申请日:1937-08-09
Applicant: B B CHEM CO
Inventor: MCGILL JOHN H
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