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发明名称
SELECTIVE PAGING SYSTEM
摘要
申请公布号
US3628150(A)
申请公布日期
1971.12.14
申请号
USD3628150
申请日期
1970.08.03
申请人
ZENITH RADIO CORP.
发明人
ALFRED R. DITTHARDT
分类号
H04W88/02;(IPC1-7):H04B1/00
主分类号
H04W88/02
代理机构
代理人
主权项
地址
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