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经营范围
发明名称
RING WAITING TIME TIMER
摘要
申请公布号
JPH03267844(A)
申请公布日期
1991.11.28
申请号
JP19900326169
申请日期
1990.11.29
申请人
NATL SEMICONDUCTOR CORP <NS>
发明人
ROBAATO EMU GUROU;RANDARU EFU UETSUERU;PERII ESU SUTARUTSU
分类号
H04L12/433
主分类号
H04L12/433
代理机构
代理人
主权项
地址
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