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经营范围
发明名称
Process for making welding rods
摘要
申请公布号
GB816483(A)
申请公布日期
1959.07.15
申请号
GB19560029052
申请日期
1956.09.24
申请人
UNION CARBIDE CORPORATION
发明人
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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