METHOD AND APPARATUS FOR OPTICAL DETERMINATION OF PROFILE AND DIMENSION OF UNDERGROUND CAVITIES,申请号CS19810006554-传众专利搜索

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发明名称	METHOD AND APPARATUS FOR OPTICAL DETERMINATION OF PROFILE AND DIMENSION OF UNDERGROUND CAVITIES
摘要
申请公布号	CS224872(B1)	申请公布日期	1984.01.16
申请号	CS19810006554	申请日期	1981.09.04
申请人	VLCEK JAN,CS	发明人	VLCEK JAN,CS
分类号	E21B47/08;G01C7/06;(IPC1-7):G01C7/06	主分类号	E21B47/08
代理机构		代理人
主权项
地址

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