Improvements in or relating to ultrasonic signal-delay apparatus,申请号GB19640022135-传众专利搜索

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发明名称	Improvements in or relating to ultrasonic signal-delay apparatus
摘要
申请公布号	GB1015559(A)	申请公布日期	1966.01.05
申请号	GB19640022135	申请日期	1964.05.28
申请人	INTERNATIONAL BUSINESS MACHINES CORPORATION	发明人
分类号	H03H9/125;H03H9/13	主分类号	H03H9/125
代理机构		代理人
主权项
地址

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