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经营范围
发明名称
Shielded electrode holder
摘要
申请公布号
US2118274(A)
申请公布日期
1938.05.24
申请号
US19360106860
申请日期
1936.10.21
申请人
MICHAEL SWEDA
发明人
SWEDA MICHAEL
分类号
B23K9/28
主分类号
B23K9/28
代理机构
代理人
主权项
地址
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