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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
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