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发明名称
Method for arc welding
摘要
申请公布号
US2745935(A)
申请公布日期
1956.05.15
申请号
US19520290295
申请日期
1952.05.27
申请人
AIR REDUCTION COMPANY, INCORPORATED
发明人
POWLEY RICHARD A.
分类号
B23K31/02
主分类号
B23K31/02
代理机构
代理人
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地址
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