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经营范围
发明名称
KEY TELEPHONE SYSTEM
摘要
申请公布号
JPH01243661(A)
申请公布日期
1989.09.28
申请号
JP19880070058
申请日期
1988.03.24
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
ASAZUMA ERIKO
分类号
H04M15/34;H04M3/38;H04M3/42;H04M15/28;H04Q3/58
主分类号
H04M15/34
代理机构
代理人
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