EXCHANGE SYSTEM HAVING VIDEO EXCHANGE MATRIX,申请号JP19850075232-传众专利搜索

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发明名称	EXCHANGE SYSTEM HAVING VIDEO EXCHANGE MATRIX
摘要
申请公布号	JPS60230782(A)	申请公布日期	1985.11.16
申请号	JP19850075232	申请日期	1985.04.09
申请人	PIEERU SORURIO	发明人	PIEERU SORURIO
分类号	H04Q3/00;H04M3/00;H04N7/14;H04N7/173;H04Q3/52	主分类号	H04Q3/00
代理机构		代理人
主权项
地址

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