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公开(公告)号：US2156936A
公开(公告)日：1939-05-02
申请号：US15499837
申请日：1937-07-22
Applicant: DU PONT
Inventor： STANSFIELD CALCOTT WILLIAM , CARTER ALBERT S , DOWNING FREDEICK B
IPC: C07C5/09
CPC classification number: C07C5/09 , C07C2521/08 , C07C2523/755 , C07C11/107
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