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公开(公告)号：US2760282A
公开(公告)日：1956-08-28
申请号：US40050253
申请日：1953-12-28
Applicant: B B CHEM CO
Inventor： SEETON FREDERIC E , PERKINS ROGER T , WINSLOW KENELM W
IPC: A43D43/06
CPC classification number: A43D43/06
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