SLUDGE SAMPLING METHOD BY PERCUSSION DRILL AND DEVICE THEREOF,申请号JP19920265479-传众专利搜索

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发明名称	SLUDGE SAMPLING METHOD BY PERCUSSION DRILL AND DEVICE THEREOF
摘要
申请公布号	JPH0688474(A)	申请公布日期	1994.03.29
申请号	JP19920265479	申请日期	1992.09.08
申请人	KOKEN KOGYO KK	发明人	MATSUNAGA TAKUSHI
分类号	E21B49/00;G01N1/08;G01N1/14;(IPC1-7):E21B49/00	主分类号	E21B49/00
代理机构		代理人
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地址

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