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经营范围
发明名称
TELEPHONE SYSTEM
摘要
申请公布号
JPH02174450(A)
申请公布日期
1990.07.05
申请号
JP19880330659
申请日期
1988.12.27
申请人
TOSHIBA CORP
发明人
NAKAYAMA AKIHIRO
分类号
H04M3/42;H04M3/533
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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