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发明名称
HYDROGEN EM BRITTLEMENTNING OF METAL TANTALIUM
摘要
申请公布号
JPS52142615(A)
申请公布日期
1977.11.28
申请号
JP19760059810
申请日期
1976.05.24
申请人
MITSUI MINING & SMELTING CO
发明人
TAKASE SEIKICHI;SAKAGUCHI ARATA;SENDA AKIRA;MATSUDAIRA YASUSHI;HIRATSUKA SEIICHI
分类号
C22B34/20;B22F1/00;B22F9/30;C22F1/18
主分类号
C22B34/20
代理机构
代理人
主权项
地址
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