Acoustic device for detecting moving particles in a fluid,申请号US19640358693-传众专利搜索

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发明名称	Acoustic device for detecting moving particles in a fluid
摘要
申请公布号	US3343126(A)	申请公布日期	1967.09.19
申请号	US19640358693	申请日期	1964.04.10
申请人	EVERETT H. DUCHESNEAU;ERNEST L. DUCHESNEAU	发明人	CORDA ROBERT A.
分类号	G08B21/12	主分类号	G08B21/12
代理机构		代理人
主权项
地址

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