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经营范围
发明名称
FREQUENCY REDUCING SYSTEMS
摘要
申请公布号
IE14536(L)
申请公布日期
1936.12.03
申请号
IED14536
申请日期
1936.05.22
申请人
ASSSOCIATED ELECTRIC LABORATORIES INC
发明人
分类号
H02M5/06;(IPC1-7):H02M5/06
主分类号
H02M5/06
代理机构
代理人
主权项
地址
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