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公开(公告)号:CA493722A
公开(公告)日:1953-06-16
申请号:CA493722D
Applicant: SHELL DEV
Inventor: BENT FRANKLIN A , STENMARK GEORGE A
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公开(公告)号:CA423558A
公开(公告)日:1944-10-31
申请号:CA423558D
Applicant: SHELL DEV
Inventor: BENT FRANKLIN A , RYAN CLYDE R
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公开(公告)号:CA422925A
公开(公告)日:1944-09-26
申请号:CA422925D
Applicant: SHELL DEV
Inventor: BENT FRANKLIN A , BYRNE FRANCIS G
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公开(公告)号:CA368922A
公开(公告)日:1937-09-28
申请号:CA368922D
Applicant: SHELL DEV
Inventor: BENT FRANKLIN A , ENGS WILLIAM
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公开(公告)号:CA366149A
公开(公告)日:1937-05-18
申请号:CA366149D
Applicant: SHELL DEV
Inventor: WIK SIMON N , BENT FRANKLIN A
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