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经营范围
发明名称
TELEPHONE EXCHANGE SYSTEM
摘要
申请公布号
JPH03167952(A)
申请公布日期
1991.07.19
申请号
JP19890308268
申请日期
1989.11.28
申请人
NIPPON TEREKOMU KK;MITSUGI DENKI KK
发明人
NAKANO YUTAKA;MISONO SATOSHI;MAENAKA KIWAMU
分类号
H04M3/42;H04M1/00;H04M1/27;H04M1/738;H04M15/16
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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