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发明名称
Welding electrode and coating therefor
摘要
申请公布号
US1974732(A)
申请公布日期
1934.09.25
申请号
US19320595025
申请日期
1932.02.25
申请人
AMERICAN CHAIN CO., INC.
发明人
ANDREN LENNART
分类号
B23K35/04;B23K35/30
主分类号
B23K35/04
代理机构
代理人
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