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发明名称
Metallurgical flux and method of producing it
摘要
申请公布号
US2220383(A)
申请公布日期
1940.11.05
申请号
US19400322106
申请日期
1940.03.04
申请人
MAHONING MINING COMPANY
发明人
ABBOTT FREDERICK C.;ANDERSON CARL O.
分类号
C21C7/076;C22B9/10
主分类号
C21C7/076
代理机构
代理人
主权项
地址
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