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公开(公告)号：DE1132545B
公开(公告)日：1962-07-05
申请号：DEB0048358
申请日：1958-03-28
Applicant: BASF AG
Inventor： BAUMANN HEINZ , GRAF DR FRITZ , SCHMIDT HUBERTUS , UNTERSTENHOEFER DR LEO
IPC: B01D39/04
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