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公开(公告)号：US2165807A
公开(公告)日：1939-07-11
申请号：US66908433
申请日：1933-05-03
Applicant: STANDARD OIL DEV CO
Inventor： MURPHREE EGER V , REEVES EDWARD D
IPC: B04B3/00
CPC classification number: B04B3/00
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公开(公告)号：US2079750A
公开(公告)日：1937-05-11
申请号：US2143435
申请日：1935-05-14
Applicant: STANDARD OIL DEV CO
Inventor： SWEENEY WILLIAM J , RICHARDSON ROGER W , MURPHREE EGER V
IPC: B01J19/08
CPC classification number: B01J19/088
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