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公开(公告)号：US2311564A
公开(公告)日：1943-02-16
申请号：US36408540
申请日：1940-11-02
Applicant: STANDARD OIL DEV CO
Inventor： MUNDAY JOHN C
IPC: B01J8/18
CPC classification number: B01J8/18 , Y10S423/16
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