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经营范围
发明名称
Welding flux
摘要
申请公布号
US2505291(A)
申请公布日期
1950.04.25
申请号
US19460672162
申请日期
1946.05.24
申请人
LUCAS ERNEST H;SHEA JOHN J
发明人
LUCAS ERNEST H.;SHEA JOHN J.
分类号
B23K35/36
主分类号
B23K35/36
代理机构
代理人
主权项
地址
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