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经营范围
发明名称
Welding wire feed
摘要
申请公布号
GB820097(A)
申请公布日期
1959.09.16
申请号
GB19570026888
申请日期
1957.08.26
申请人
UNION CARBIDE CORPORATION
发明人
分类号
B23K9/133
主分类号
B23K9/133
代理机构
代理人
主权项
地址
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