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公开(公告)号：US2589144A
公开(公告)日：1952-03-11
申请号：US68779446
申请日：1946-08-01
Applicant: STANDARD OIL DEV CO
Inventor： RUSSELL FRANCIS R , MUELLER ROBERT H
IPC: F16K17/14
CPC classification number: F16K17/14 , Y10T137/1782
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公开(公告)号：US2671722A
公开(公告)日：1954-03-09
申请号：US15132650
申请日：1950-03-23
Applicant: STANDARD OIL DEV CO
Inventor： SWEETSER SUMNER B , MUELLER ROBERT H
IPC: C10J3/46
CPC classification number: C10J3/482 , C10J2300/0933 , Y10S48/04
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