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经营范围
发明名称
Lamp clutch
摘要
申请公布号
US1792834(A)
申请公布日期
1931.02.17
申请号
US19300476891
申请日期
1930.08.21
申请人
THE G. C. A. MANUFACTURING COMPANY
发明人
GRINNELL HAROLD D.
分类号
H01K3/32
主分类号
H01K3/32
代理机构
代理人
主权项
地址
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