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公开(公告)号:CA454229A
公开(公告)日:1949-01-18
申请号:CA454229D
Applicant: SHELL DEV
Inventor: NIXON ALAN C , MCOMIE RULON WELLS , DAVIS ORRIS L
公开(公告)号:CA454229A
公开(公告)日:1949-01-18
申请号:CA454229D
Applicant: SHELL DEV
Inventor: NIXON ALAN C , MCOMIE RULON WELLS , DAVIS ORRIS L