Акустическое излучающее устройство отражательного типа,申请号SU19580601976-传众专利搜索

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发明名称	Акустическое излучающее устройство отражательного типа
摘要
申请公布号	SU117988(A1)	申请公布日期	1958.11.30
申请号	SU19580601976	申请日期	1958.06.16
申请人	PROKHOROV V.G.	发明人	PROKHOROV V.G.
分类号	B06B3/04	主分类号	B06B3/04
代理机构		代理人
主权项
地址

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