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经营范围
发明名称
DIGITAL TELEPHONE SET
摘要
申请公布号
JPH02270449(A)
申请公布日期
1990.11.05
申请号
JP19890090744
申请日期
1989.04.12
申请人
MITSUBISHI ELECTRIC CORP
发明人
FUKUSHI TOSHIO;YAMAMOTO MASATAKA
分类号
H04M1/00;H04M1/253
主分类号
H04M1/00
代理机构
代理人
主权项
地址
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