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公开(公告)号:DE1623926A1
公开(公告)日:1971-06-03
申请号:DE1623926
申请日:1967-01-11
Applicant: BASF AG
Inventor: KASPER WERNER DIPL-ING , ARNEMANN FRIEDRICH DR , ERWIN DR NITZSCHMANN ROBERT
IPC: G01F11/00 , G05D7/00