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经营范围
发明名称
Improvements in or relating to welding rod holders
摘要
申请公布号
GB805949(A)
申请公布日期
1958.12.17
申请号
GB19560018882
申请日期
1956.06.19
申请人
LUKENS STEEL COMPANY
发明人
分类号
B23K9/022
主分类号
B23K9/022
代理机构
代理人
主权项
地址
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