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公开(公告)号：US2057442A
公开(公告)日：1936-10-13
申请号：US74084834
申请日：1934-08-21
Applicant: DEGUSSA
Inventor： FRANZ MIK
IPC: C08C19/12
CPC classification number: C08J9/28 , C08J2201/05 , C08J2311/00 , Y10S264/73
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