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经营范围
发明名称
Improved electrical contact brush
摘要
申请公布号
GB722122(A)
申请公布日期
1955.01.19
申请号
GB19520009749
申请日期
1952.04.18
申请人
UNION CARBIDE AND CARBON CORPORATION
发明人
JONES LEONARD ELLWOOD
分类号
H01B1/24;H01R39/20
主分类号
H01B1/24
代理机构
代理人
主权项
地址
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