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发明名称
PROCESSO DI RIDUZIONE SOTTO VUOTO PER PRODURRE FERRO-TUNGSTENO
摘要
申请公布号
IT1095411(B)
申请公布日期
1985.08.10
申请号
IT19780020247
申请日期
1978.02.13
申请人
AMAX INC.
发明人
分类号
C22C1/00;B22F9/20;C22C1/04;C22C33/04;(IPC1-7):C21C/
主分类号
C22C1/00
代理机构
代理人
主权项
地址
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