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发明名称
Dial control
摘要
申请公布号
US1844839(A)
申请公布日期
1932.02.09
申请号
US19260151212
申请日期
1926.11.27
申请人
GENERAL ELECTRIC VAPOR LAMP COMPANY
发明人
BUTTOLPH LEROY J.
分类号
H01G5/38
主分类号
H01G5/38
代理机构
代理人
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