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经营范围
发明名称
Steel welding rod
摘要
申请公布号
US2145604(A)
申请公布日期
1939.01.31
申请号
US19370144313
申请日期
1937.05.22
申请人
OXWELD ACETYLENE COMPANY
发明人
LYTLE ARTHUR R.
分类号
B23K35/30
主分类号
B23K35/30
代理机构
代理人
主权项
地址
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