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公开(公告)号：US3387322A
公开(公告)日：1968-06-11
申请号：US48034765
申请日：1965-08-17
Applicant: BASF AG
Inventor： JOSEF WOELLHAF , HERBERT WAGNER , WILHELM UHL , OTTO HEDDERICH
CPC classification number: B29C43/24 , B26D7/18 , Y10S425/235
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