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公开(公告)号：US2266380A
公开(公告)日：1941-12-16
申请号：US33600840
申请日：1940-05-18
Applicant: STANDARD OIL CO CALIFORNIA
Inventor： NEELY GEORGE L , KOSTAINSEK VICTOR M
CPC classification number: F16C33/64 , C23C22/50 , F16C33/14 , F16C2223/40
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