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公开(公告)号：US2180584A
公开(公告)日：1939-11-21
申请号：US20969038
申请日：1938-05-24
Applicant: STANDARD OIL CO CALIFORNIA
Inventor： GREEN WILLIAM A , EDWARD ROLLE
IPC: C10J1/00
CPC classification number: C10J1/00 , Y10S261/17
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