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公开(公告)号:CA511441A
公开(公告)日:1955-03-29
申请号:CA511441D
Applicant: SHELL DEV
Inventor: PETERS LESLIE M , NELSON CHARLES R , TAYLOR A D , DAVIDSON DONALD D
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公开(公告)号:CA456053A
公开(公告)日:1949-04-19
申请号:CA456053D
Applicant: SHELL DEV
Inventor: GRIENDT GERALD H VAN DE , PETERS LESLIE M
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公开(公告)号:CA422793A
公开(公告)日:1944-09-19
申请号:CA422793D
Applicant: SHELL DEV
Inventor: MARPLE KENNETH E , PETERS LESLIE M , GRIENDT GERALD H VAN DE
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