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公开(公告)号：US3012973A
公开(公告)日：1961-12-12
申请号：US80007359
申请日：1959-03-18
Applicant: DU PONT
Inventor： ATKINS ROBERT C
IPC: C01B33/148 , C08J9/40
CPC classification number: C08J9/40 , C01B33/148 , C08J2201/038
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