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经营范围
发明名称
PUBLIC AND PRIVATE CONNECTION DEVICE
摘要
申请公布号
JPH05103115(A)
申请公布日期
1993.04.23
申请号
JP19910263964
申请日期
1991.10.11
申请人
NEC CORP;NEC ENG LTD
发明人
KAWAMURA HAJIME;MIZUSAWA TSUNETOSHI
分类号
H04M11/00;H04Q3/545;H04Q11/04
主分类号
H04M11/00
代理机构
代理人
主权项
地址
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