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发明名称
Process of treating metals
摘要
申请公布号
US1893499(A)
申请公布日期
1933.01.10
申请号
US19300495779
申请日期
1930.11.14
申请人
JEAVONS WILLIAM R;RENTSCHLER MAHLON J
发明人
JEAVONS WILLIAM R.;RENTSCHLER MAHLON J.
分类号
C21C7/00
主分类号
C21C7/00
代理机构
代理人
主权项
地址
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