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经营范围
发明名称
TELEPHONE SET
摘要
申请公布号
JPH0420051(A)
申请公布日期
1992.01.23
申请号
JP19900123928
申请日期
1990.05.14
申请人
NEC CORP
发明人
SEKIGUCHI FUMIKO
分类号
H04M1/00;H04M1/80
主分类号
H04M1/00
代理机构
代理人
主权项
地址
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