ELECTRONIC EXCHANGE SYSTEM,申请号JP19880273049-传众专利搜索

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发明名称	ELECTRONIC EXCHANGE SYSTEM
摘要
申请公布号	JPH02121454(A)	申请公布日期	1990.05.09
申请号	JP19880273049	申请日期	1988.10.31
申请人	TOSHIBA CORP	发明人	TOYODA KOJI
分类号	H04M3/22;H04M3/24;H04Q3/545	主分类号	H04M3/22
代理机构		代理人
主权项
地址

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