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公开(公告)号：CA485957A
公开(公告)日：1952-08-19
申请号：CA485957D
Applicant: STANDARD OIL DEV CO
Inventor： BASCOM FRANCES , VANDERBILT BYRON M
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公开(公告)号：CA464225A
公开(公告)日：1950-04-04
申请号：CA464225D
Applicant: STANDARD OIL DEV CO
Inventor： VANDERBILT BYRON M , BASCOM FRANCES
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公开(公告)号：CA464224A
公开(公告)日：1950-04-04
申请号：CA464224D
Applicant: STANDARD OIL DEV CO
Inventor： VANDERBILT BYRON M , BASCOM FRANCES
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