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发明名称
Electrical device for testing the weldability of metallic materials
摘要
申请公布号
US2769893(A)
申请公布日期
1956.11.06
申请号
US19520297708
申请日期
1952.07.08
申请人
JOSEF MULLER
发明人
MULLER JOSEF
分类号
B23K9/095;G01N3/58
主分类号
B23K9/095
代理机构
代理人
主权项
地址
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