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公开(公告)号：US3306779A
公开(公告)日：1967-02-28
申请号：US46897665
申请日：1965-07-01
Applicant: STANDARD OIL CO
Inventor： FLANNERY ROBERT J , AHMAD SAM
IPC: H01M4/96
CPC classification number: H01M4/96
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