Acoustic wave generating or receiving apparatus,申请号US19360094987-传众专利搜索

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发明名称	Acoustic wave generating or receiving apparatus
摘要
申请公布号	US2411541(A)	申请公布日期	1946.11.26
申请号	US19360094987	申请日期	1936.08.08
申请人	HAYES HARVEY C	发明人	HAYES HARVEY C.
分类号	G10K13/00	主分类号	G10K13/00
代理机构		代理人
主权项
地址

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