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经营范围
发明名称
Gas-shielded metal arc welding gun
摘要
申请公布号
GB839928(A)
申请公布日期
1960.06.29
申请号
GB19580010125
申请日期
1958.03.28
申请人
UNION CARBIDE CORPORATION
发明人
分类号
B23K9/29
主分类号
B23K9/29
代理机构
代理人
主权项
地址
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