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公开(公告)号：US2314776A
公开(公告)日：1943-03-23
申请号：US43209842
申请日：1942-02-24
Applicant: STANDARD OIL CO CALIFORNIA
Inventor： DITTUS FREDERICK W , BERTOGLIO PETER J , SPAULDING WILLIAM H
IPC: F16L51/03
CPC classification number: F16L51/035
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