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公开(公告)号：US3515541A
公开(公告)日：1970-06-02
申请号：US3515541D
申请日：1967-05-03
Applicant: CHEMIE LINZ AG
Inventor： WIMMER HELMUT , WAGNER ANTON , STAUDIGL RUDOLF , RUDORFER HERMANN
CPC classification number: C22B11/028 , Y02P10/214
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