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公开(公告)号:US2303050A
公开(公告)日:1942-11-24
申请号:US36366540
申请日:1940-10-31
Applicant: STANDARD OIL DEV CO
Inventor: JONES MINOR C K
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公开(公告)号:US1443538A
公开(公告)日:1923-01-30
申请号:US54533922
申请日:1922-03-20
Applicant: STANDARD DEV CO
Inventor: HOWARD FRANK A , KENT GEORGE H L , JENNINGS JAMES M
CPC classification number: A62D1/0071 , C10L1/00 , C10L1/006 , Y10S516/02
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