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公开(公告)号:CA474854A
公开(公告)日:1951-06-26
申请号:CA474854D
Applicant: STANDARD OIL DEV CO
Inventor: SMITH DELMAS A , DUTSON KEITH J F JR
公开(公告)号:CA474854A
公开(公告)日:1951-06-26
申请号:CA474854D
Applicant: STANDARD OIL DEV CO
Inventor: SMITH DELMAS A , DUTSON KEITH J F JR