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公开(公告)号:CA788907A
公开(公告)日:1968-07-02
申请号:CA788907D
Applicant: DEGUSSA
Inventor: SCHMIDT HEINRICH , KLOEPFER HARRY , SPERR FRITZ , DUSING GERHARD , BRETSCHNEIDER GUNTHER
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2.
公开(公告)号:CA780802A
公开(公告)日:1968-03-19
申请号:CA780802D
Applicant: DEGUSSA
Inventor: BRETSCHNEIDER GUNTHER , SPERR FRITZ
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公开(公告)号:CA757563A
公开(公告)日:1967-04-25
申请号:CA757563D
Applicant: DEGUSSA
Inventor: SPERR FRITZ , KUZEL PETER , PISTOR HORST , BRETSCHNEIDER GUNTHER
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公开(公告)号:CA700601A
公开(公告)日:1964-12-22
申请号:CA700601D
Applicant: DEGUSSA
Inventor: MEYER-SIMON EUGEN , KLOEPFER HARRY , SPERR FRITZ
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