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发明名称
Alternating current actuated controller
摘要
申请公布号
US1988349(A)
申请公布日期
1935.01.15
申请号
US19320646284
申请日期
1932.12.08
申请人
GENERAL ELECTRIC COMPANY
发明人
BEGGS JAMES E.
分类号
H01J40/14
主分类号
H01J40/14
代理机构
代理人
主权项
地址
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