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经营范围
发明名称
Pulse modulator
摘要
申请公布号
US2481925(A)
申请公布日期
1949.09.13
申请号
US19430492761
申请日期
1943.06.29
申请人
RADIO CORPORATION
发明人
HEGBAR HOWARD R.
分类号
H03K3/55;H03K17/52
主分类号
H03K3/55
代理机构
代理人
主权项
地址
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