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公开(公告)号:US3478141A
公开(公告)日:1969-11-11
申请号:US3478141D
申请日:1966-08-29
Applicant: DU PONT
Inventor: DEMPSEY JAMES JOSEPH , LEE CHI-CHANG
CPC classification number: B31F1/07 , B31F2201/0725 , B31F2201/0728 , B31F2201/073 , B31F2201/0733 , B31F2201/0738 , B31F2201/0756 , B31F2201/0784 , D04H13/00 , Y10T156/1023
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