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经营范围
发明名称
Arc welding electrode
摘要
申请公布号
US2421594(A)
申请公布日期
1947.06.03
申请号
US19450579023
申请日期
1945.02.21
申请人
UNDER WATER WELDERS & REPAIRERS LIMITED
发明人
BOOT ROBERT HENRY FARMER
分类号
B23K35/04;B23K35/10;B23K35/36
主分类号
B23K35/04
代理机构
代理人
主权项
地址
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