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发明名称
Cast article
摘要
申请公布号
US2256614(A)
申请公布日期
1941.09.23
申请号
US19400339327
申请日期
1940.06.07
申请人
ELECTRO METALLURGICAL COMPANY
发明人
FRANKS RUSSELL
分类号
C21C7/00;C22C38/58
主分类号
C21C7/00
代理机构
代理人
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