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公开(公告)号:CA418448A
公开(公告)日:1944-02-15
申请号:CA418448D
Applicant: STANDARD OIL DEV CO
Inventor: SHEWELL CHARLES T , DRAEGER ARTHUR A
公开(公告)号:CA418448A
公开(公告)日:1944-02-15
申请号:CA418448D
Applicant: STANDARD OIL DEV CO
Inventor: SHEWELL CHARLES T , DRAEGER ARTHUR A