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公开(公告)号：CA374262A
公开(公告)日：1938-06-07
申请号：CA374262D
Applicant: STANDARD OIL CO
Inventor： ADAMS ELMER WADE , MACLAREN FREDERICK H
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公开(公告)号：CA368840A
公开(公告)日：1937-09-21
申请号：CA368840D
Applicant: STANDARD OIL CO
Inventor： BRUNSTRUM LAWRENCE C , ADAMS ELMER WADE
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