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发明名称
Hardening refractory metals
摘要
申请公布号
US2170844(A)
申请公布日期
1939.08.29
申请号
US19370163893
申请日期
1937.09.15
申请人
FANSTEEL METALLURGICAL CORPORATION
发明人
NOTE LILLIAN M. VAN
分类号
C22C1/10
主分类号
C22C1/10
代理机构
代理人
主权项
地址
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