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发明名称
METHOD FOR PRODUCING IMPROVED METAL CASTINGS BY PNEUMATICALLY REFINING THE MELT
摘要
申请公布号
PH15189(A)
申请公布日期
1982.09.10
申请号
PH19440000210
申请日期
1978.04.24
申请人
UNION CARBIDE CORP
发明人
DEATH FRANK STUART
分类号
C21C5/34
主分类号
C21C5/34
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代理人
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地址
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