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经营范围
发明名称
KEY TELEPHONE SYSTEM
摘要
申请公布号
JPH1042325(A)
申请公布日期
1998.02.13
申请号
JP19960197384
申请日期
1996.07.26
申请人
NEC SHIZUOKA LTD
发明人
SUZUKI TAKAHIRO
分类号
H04M3/42;H04M1/27;H04M1/57;H04Q3/58;(IPC1-7):H04Q3/58
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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