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公开(公告)号：US3510525A
公开(公告)日：1970-05-05
申请号：US3510525D
申请日：1965-07-12
Applicant: PERSTORP AB
Inventor： FLODIN PER G M , SJOGREEN CARL-AXEL E
CPC classification number: C07C45/783 , C07C47/04
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