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发明名称
Arc welding apparatus
摘要
申请公布号
US2422811(A)
申请公布日期
1947.06.24
申请号
US19450593801
申请日期
1945.05.15
申请人
AIR REDUCTION COMPANY, INCORPORATED
发明人
TYRNER JOSEPH M.
分类号
B23K9/14
主分类号
B23K9/14
代理机构
代理人
主权项
地址
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