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公开(公告)号：US2614983A
公开(公告)日：1952-10-21
申请号：US15377050
申请日：1950-04-03
Applicant: STANDARD OIL DEV CO
Inventor： CALDWELL JOSEPH A , LYTLE MELBA L
IPC: C23F11/12
CPC classification number: C23F11/128 , Y10S507/939
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公开(公告)号：US2614982A
公开(公告)日：1952-10-21
申请号：US15376950
申请日：1950-04-03
Applicant: STANDARD OIL DEV CO
Inventor： CALDWELL JOSEPH A , LYTLE MELBA L
IPC: C23F11/173
CPC classification number: C23F11/173 , Y10S507/932 , Y10S507/939
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