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公开(公告)号：US3076038A
公开(公告)日：1963-01-29
申请号：US3435460
申请日：1960-06-07
Applicant: STUDIENGESELLSCHAFT KOHLE MBH
Inventor： GUNTHER WILKE , WILLI MULLER ERNST , JOACHIM STEDEFEDER
CPC classification number: C07C201/00
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