METHOD OF MEASURING FORECAS FREQUENCY OF ROCK MASS SEISMIC VIBRATIONS,申请号PL19860262293-传众专利搜索

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发明名称	METHOD OF MEASURING FORECAS FREQUENCY OF ROCK MASS SEISMIC VIBRATIONS
摘要
申请公布号	PL149772(B2)	申请公布日期	1990.03.31
申请号	PL19860262293	申请日期	1986.11.07
申请人		发明人
分类号	G01N29/00;G01V;G01V1/24;(IPC1-7):G01V1/24	主分类号	G01N29/00
代理机构		代理人
主权项
地址

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