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公开(公告)号:DE1784522A1
公开(公告)日:1971-08-26
申请号:DE1784522
申请日:1968-08-16
Applicant: BASF AG
Inventor: INNERHOFER GUNTRAM DIPL-ING , UNTERSTENHOEFER LEO DIPL-ING D , BERBNER HEINZ
IPC: E02B9/06