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公开(公告)号：US2922484A
公开(公告)日：1960-01-26
申请号：US59341856
申请日：1956-06-25
Applicant: TEXACO INC
Inventor： KELLY WILLIAM T , CLEMENTS ROY J
IPC: G01V1/52
CPC classification number: G01V1/52
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