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公开(公告)号:CA481417A
公开(公告)日:1952-02-26
申请号:CA481417D
Applicant: STANDARD OIL DEV CO
Inventor: LONG JOHN D , RHYS CYRIL O JR
公开(公告)号:CA481417A
公开(公告)日:1952-02-26
申请号:CA481417D
Applicant: STANDARD OIL DEV CO
Inventor: LONG JOHN D , RHYS CYRIL O JR