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公开(公告)号：US3476729A
公开(公告)日：1969-11-04
申请号：US3476729D
申请日：1964-02-17
Applicant: PHILLIPS PETROLEUM CO
Inventor： SMITH DEXTER E , KEELER ROBERT M , GUENTHER EMMERICH
CPC classification number: C08F10/00 , Y10S526/905 , C08F2/38
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