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发明名称
METHOD OF RESISTANCE WELDING TANTALUM
摘要
申请公布号
CA510149(A)
申请公布日期
1955.02.15
申请号
CAD510149
申请日期
申请人
FANSTEEL METALLURGICAL CORPORATION
发明人
GEORGE OTTO
分类号
主分类号
代理机构
代理人
主权项
地址
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