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经营范围
发明名称
Static neutralizer for radioreceivers
摘要
申请公布号
US1907572(A)
申请公布日期
1933.05.09
申请号
US19200379405
申请日期
1920.05.06
申请人
GENERAL ELECTRIC COMPANY
发明人
PICKARD GREENLEAF WHITTIER
分类号
H04B1/12
主分类号
H04B1/12
代理机构
代理人
主权项
地址
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