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经营范围
发明名称
Improvements in handle-operating means for electric switches
摘要
申请公布号
GB719811(A)
申请公布日期
1954.12.08
申请号
GB19520007843
申请日期
1952.03.27
申请人
J. A. CRABTREE & CO. LIMITED;WALTER EDWARD HILL
发明人
分类号
H01H21/06
主分类号
H01H21/06
代理机构
代理人
主权项
地址
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