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经营范围
发明名称
PRIVATE BRANCH AUTOMATIC EXCHANGE
摘要
申请公布号
JPH04123563(A)
申请公布日期
1992.04.23
申请号
JP19900244304
申请日期
1990.09.14
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
TAKEHISA YOSHIHIRO
分类号
H04M3/36;H04Q3/58
主分类号
H04M3/36
代理机构
代理人
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地址
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