TRANSDUCER SYSTEMS WITH CONTROLLED DAMPING,申请号GB19790043321-传众专利搜索

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发明名称	TRANSDUCER SYSTEMS WITH CONTROLLED DAMPING
摘要
申请公布号	GB2047407(B)	申请公布日期	1983.12.21
申请号	GB19790043321	申请日期	1979.12.17
申请人	BELL & HOWELL CO	发明人
分类号	G01D11/12;G01V1/18;H04R11/00;(IPC1-7):G01V1/18;H04R1/00	主分类号	G01D11/12
代理机构		代理人
主权项
地址

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