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公开(公告)号:CH526619A
公开(公告)日:1972-08-15
申请号:CH1612367
申请日:1967-11-17
Applicant: DEGUSSA
Inventor: DIPL-CHEM FERCH HORST DR , BODE RUDOLF DIPL PHYS , HANS GRAEF
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公开(公告)号:CH484951A
公开(公告)日:1970-01-31
申请号:CH1411462
申请日:1962-11-30
Applicant: DEGUSSA
Inventor: DIPL-CHEM FERCH HORST DR , GRUETTNER SIEGFRIED DIPL ING
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3.
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公开(公告)号:CH406495A
公开(公告)日:1966-01-31
申请号:CH797661
申请日:1961-07-07
Applicant: DEGUSSA
Inventor: DIPL-CHEM FERCH HORST DR
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