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公开(公告)号：US3147138A
公开(公告)日：1964-09-01
申请号：US16667262
申请日：1962-01-16
Applicant: BAYER AG
Inventor： ERWIN MULLER , WOLFGANG SPEICHER , PETER COPPEE , RUDOLF MERTEN
IPC: C14C11/00
CPC classification number: C14C11/006 , C14C11/003 , Y10T428/31558
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