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经营范围
发明名称
TELEPHONE SYSTEM FOR ISDN
摘要
申请公布号
JPH0229197(A)
申请公布日期
1990.01.31
申请号
JP19880179909
申请日期
1988.07.19
申请人
MITSUBISHI ELECTRIC CORP
发明人
UCHIDA MITSUHARU;NISHI KOTA
分类号
H04M1/27;H04Q5/00
主分类号
H04M1/27
代理机构
代理人
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