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81.
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公开(公告)号:CA470216A
公开(公告)日:1950-12-19
申请号:CA470216D
Applicant: SHELL DEV
Inventor: SHOKAL EDWARD C , EVANS THEODORE W
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公开(公告)号:CA458642A
公开(公告)日:1949-08-02
申请号:CA458642D
Applicant: SHELL DEV
Inventor: SHOKAL EDWARD C , MORRIS RUPERT C
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公开(公告)号:CA454530A
公开(公告)日:1949-02-08
申请号:CA454530D
Applicant: SHELL DEV
Inventor: EVANS THEODORE W , SHOKAL EDWARD C , MORRIS RUPERT C
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公开(公告)号:CA438258A
公开(公告)日:1946-11-26
申请号:CA438258D
Applicant: SHELL DEV
Inventor: EVANS THEODORE W , MARPLE KENNETH E , SHOKAL EDWARD C
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88.
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公开(公告)号:CA574223A
公开(公告)日:1959-04-14
申请号:CA574223D
Applicant: SHELL DEV
Inventor: SHOKAL EDWARD C , DEVLIN PAUL A
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