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发明名称
Contact alloy and method of making same
摘要
申请公布号
US2227445(A)
申请公布日期
1941.01.07
申请号
US19390256206
申请日期
1939.02.13
申请人
FANSTEEL METALLURGICAL CORPORATION
发明人
DRIGGS FRANK H.;JR. CHILDRES B. GWYN,
分类号
C22C27/04
主分类号
C22C27/04
代理机构
代理人
主权项
地址
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