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公开(公告)号:CA560133A
公开(公告)日:1958-07-08
申请号:CA560133D
Applicant: SHELL DEV
Inventor: MECORNEY JOHN W , LEHMANN A SPENCER , GAERTNER GEORGE W
公开(公告)号:CA560133A
公开(公告)日:1958-07-08
申请号:CA560133D
Applicant: SHELL DEV
Inventor: MECORNEY JOHN W , LEHMANN A SPENCER , GAERTNER GEORGE W