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公开(公告)号：US3492720A
公开(公告)日：1970-02-03
申请号：US3492720D
申请日：1966-11-01
Applicant: BASF AG
Inventor： GUTHKE HARALD , HABERMANN WOLFGANG , NITZSCHKE KARL-HEINZ , SCHELLENBERG ROLF
CPC classification number: H01M4/86 , Y10T29/49002
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