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发明名称
Welding electrode coating
摘要
申请公布号
US2150925(A)
申请公布日期
1939.03.21
申请号
US19360106423
申请日期
1936.10.19
申请人
STANDARD OIL COMPANY
发明人
JOHNSTON ARCHIBALD P.
分类号
B23K35/04;B23K35/10;B23K35/36;B23K35/365
主分类号
B23K35/04
代理机构
代理人
主权项
地址
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