PRIVATE BRANCH AUTOMATIC EXCHANGE,申请号JP19900295268-传众专利搜索

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发明名称	PRIVATE BRANCH AUTOMATIC EXCHANGE
摘要
申请公布号	JPH04170139(A)	申请公布日期	1992.06.17
申请号	JP19900295268	申请日期	1990.11.02
申请人	MATSUSHITA ELECTRIC IND CO LTD	发明人	KAMIMURA YOSHINORI
分类号	H04M3/22;H04M3/36;H04Q3/545	主分类号	H04M3/22
代理机构		代理人
主权项
地址

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