INFORMATION TRANSFER METHOD USING NONAUDIBLE SOUND,申请号JP19800151785U-传众专利搜索

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发明名称	INFORMATION TRANSFER METHOD USING NONAUDIBLE SOUND
摘要
申请公布号	JPS5775035(U)	申请公布日期	1982.05.10
申请号	JP19800151785U	申请日期	1980.10.24
申请人		发明人
分类号	E02D9/02;E02D17/08;(IPC1-7):E02D9/02	主分类号	E02D9/02
代理机构		代理人
主权项
地址

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