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公开(公告)号：DE1767730A1
公开(公告)日：1971-09-23
申请号：DE1767730
申请日：1968-06-11
Applicant: BASF AG
Inventor： WOLF HERBERT DR-ING , GOESELE WILHELM DR , KLINGLER WILL DR
IPC: C01B17/765 , C01B17/77 , C01B17/76
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