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发明名称
Welding electrode
摘要
申请公布号
US2226080(A)
申请公布日期
1940.12.24
申请号
US19380220058
申请日期
1938.07.19
申请人
STARRETT RALPH H
发明人
STARRETT RALPH H.
分类号
B23K35/02;B23K35/04;B23K35/08
主分类号
B23K35/02
代理机构
代理人
主权项
地址
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