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公开(公告)号：US3071152A
公开(公告)日：1963-01-01
申请号：US1521260
申请日：1960-03-15
Applicant: STANDARD OIL CO
Inventor： RANDALL PRYOR N , SODOWSKY JAY B
IPC: F04B39/10
CPC classification number: F04B39/106 , Y10T137/7839 , Y10T137/7887
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