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公开(公告)号：US2883399A
公开(公告)日：1959-04-21
申请号：US59411756
申请日：1956-06-27
Applicant: ROUSSEL UCLAF
Inventor： GASTON AMIARD , RENE HEYMES , LEON VELLUZ
IPC: C09B11/04
CPC classification number: C09B11/04
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