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经营范围
发明名称
Improvements in or relating to the adjustment of the carbons for a carbon arc
摘要
申请公布号
GB859540(A)
申请公布日期
1961.01.25
申请号
GB19590031873
申请日期
1959.09.18
申请人
PHILIPS ELECTRICAL INDUSTRIES LIMITED
发明人
分类号
H05B31/18
主分类号
H05B31/18
代理机构
代理人
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地址
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