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公开(公告)号：US2222532A
公开(公告)日：1940-11-19
申请号：US71472834
申请日：1934-03-08
Applicant: WALTHER H DUISBERG
Inventor： JOHN EGGERT , BRUNO WENDT
CPC classification number: C08J7/065 , C08J2301/00 , C08K5/42 , D21H21/143 , C08L1/06
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