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1.发明授权
公开(公告)号：US3250591A
公开(公告)日：1966-05-10
申请号：US29176263
申请日：1963-07-01
Applicant: BILLERUDS AB , SVENSKA CELLULOSA AB
Inventor： ARNE BERGHOLM CARL , GORAN STAHRE
IPC: D21C11/06
CPC classification number: D21C11/063 , Y10S261/54 , Y10S423/03
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