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发明名称
EXTENSION CALLER FOR AUTOMATIC EXCHANGE
摘要
申请公布号
JPH01276954(A)
申请公布日期
1989.11.07
申请号
JP19880106116
申请日期
1988.04.28
申请人
NEC CORP
发明人
NONOMURA TOMOKO
分类号
H04M3/44;H04M3/42
主分类号
H04M3/44
代理机构
代理人
主权项
地址
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