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发明名称
PRIORITY CALL CONNECTION SYSTEM
摘要
申请公布号
JPH05103097(A)
申请公布日期
1993.04.23
申请号
JP19910284115
申请日期
1991.10.04
申请人
NEC CORP
发明人
NAKANO MASAKAZU
分类号
H04M3/42
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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