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公开(公告)号：US2049027A
公开(公告)日：1936-07-28
申请号：US49458730
申请日：1930-11-10
Applicant: STANDARD OIL DEV CO
Inventor： SCHONBERG JACKSON R , ROBINSON WILLARD E
IPC: C10G7/02
CPC classification number: C10G7/02
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