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公开(公告)号：US2631122A
公开(公告)日：1953-03-10
申请号：US17695150
申请日：1950-08-01
Applicant: STANDARD OIL DEV CO
Inventor： STRICKLAND BARNEY R , LEWIS EMIL H
CPC classification number: C10G19/00
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公开(公告)号：US2525152A
公开(公告)日：1950-10-10
申请号：US77465647
申请日：1947-09-17
Applicant: STANDARD OIL DEV CO
Inventor： STRICKLAND BARNEY R , LEWIS EMIL H
IPC: C10G69/04
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