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发明名称
Surface treatment of molds
摘要
申请公布号
US2564308(A)
申请公布日期
1951.08.14
申请号
US19500144073
申请日期
1950.02.14
申请人
NAGEL FRANCIS A
发明人
NAGEL FRANCIS A.
分类号
B22C3/00;B22F3/11;B22F3/26;B29C33/60;C03B40/02
主分类号
B22C3/00
代理机构
代理人
主权项
地址
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