Method of and apparatus for obtaining an improved high frequency output signal from a geophone,申请号GB19790001221-传众专利搜索

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发明名称	Method of and apparatus for obtaining an improved high frequency output signal from a geophone
摘要
申请公布号	GB2023819(A)	申请公布日期	1980.01.03
申请号	GB19790001221	申请日期	1979.01.12
申请人	MARK PRODUCTS INC	发明人
分类号	G01V1/18;G01V1/36;(IPC1-7):G01N1/18	主分类号	G01V1/18
代理机构		代理人
主权项
地址

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