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公开(公告)号：US2846628A
公开(公告)日：1958-08-05
申请号：US46283554
申请日：1954-10-18
Applicant: PHILLIPS PETROLEUM CO
Inventor： KLINE SIDNEY R
IPC: G01R17/02
CPC classification number: G01R17/02
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公开(公告)号：US2882920A
公开(公告)日：1959-04-21
申请号：US47861254
申请日：1954-12-30
Applicant: PHILLIPS PETROLEUM CO
Inventor： TOLIN ERNEST D , KLINE SIDNEY R
IPC: G05D9/12
CPC classification number: G05D9/12 , Y10T137/3006 , Y10T137/86405 , Y10T307/951
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