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公开(公告)号:CA855520A
公开(公告)日:1970-11-10
申请号:CA855520D
Applicant: DEGUSSA
Inventor: ENGEL CLAUS R , FLASSKAMP WILLI , HAAS GUSTAV , BROFT EDUARD , THIEL OTTO , LINKE HEINZ , WELLENSIEK GERD , WILM DIEDERICH
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公开(公告)号:CA635294A
公开(公告)日:1962-01-23
申请号:CA635294D
Applicant: DEGUSSA
Inventor: FLASSKAMP WILLI , WELLENSIEK GERD
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