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公开(公告)号：US2467959A
公开(公告)日：1949-04-19
申请号：US73018647
申请日：1947-02-21
Applicant: GULF RESEARCH DEVELOPMENT CO
Inventor： BOWMAN JOHN R , RIDENOUR WILLIAM P
IPC: C10G73/42
CPC classification number: C10G73/42
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