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公开(公告)号：CA582149A
公开(公告)日：1959-08-25
申请号：CA582149D
Applicant: STANDARD OIL CO
Inventor： ZIMMERSCHIED WILFORD J , RYLANDER PAUL N
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公开(公告)号：CA551739A
公开(公告)日：1958-01-14
申请号：CA551739D
Applicant: STANDARD OIL CO
Inventor： ZIMMERSCHIED WILFORD J , HIGLEY WILLARD S , LIEN ARTHUR P
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