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公开(公告)号:DE921145C
公开(公告)日:1954-12-09
申请号:DEB0023923
申请日:1953-01-24
Applicant: BASF AG
Inventor: JOCKERS KURT DR , MEIER HERMANN DR , WINTERSBERGER KARL DR
IPC: C01B21/14
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公开(公告)号:DE870311C
公开(公告)日:1953-03-12
申请号:DEB0006991
申请日:1941-09-06
Applicant: BASF AG
Inventor: PFIRRMANN THEODOR WILHELM DR , MEIER HERMANN DR
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