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公开(公告)号：US1975716A
公开(公告)日：1934-10-02
申请号：US54745331
申请日：1931-06-27
Applicant: JOSEPH GUILLISSEN
Inventor： JOSEPH GUILLISSEN
IPC: C09C1/06
CPC classification number: C09C1/06 , C01P2006/60
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