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公开(公告)号:CA596400A
公开(公告)日:1960-04-19
申请号:CA596400D
Applicant: DEGUSSA
Inventor: FREY ARTUR , SCHRAUF ROBERT
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公开(公告)号:CA581749A
公开(公告)日:1959-08-18
申请号:CA581749D
Applicant: DEGUSSA
Inventor: SCHRAUF ROBERT , FREY ARTHUR
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公开(公告)号:CA648923A
公开(公告)日:1962-09-18
申请号:CA648923D
Applicant: DEGUSSA
Inventor: FREY ARTUR , KLOEPFER HARRY , SCHRAUF ROBERT , MEYER-SIMON EUGEN
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公开(公告)号:CA596399A
公开(公告)日:1960-04-19
申请号:CA596399D
Applicant: DEGUSSA
Inventor: SCHRAUF ROBERT , FREY ARTUR
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