FREMGANGSMAADE OG APPARAT TIL FLER-TRINS CEMENTERING AF EN BOREHULSFORING,申请号DK19880002249-传众专利搜索

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发明名称	FREMGANGSMAADE OG APPARAT TIL FLER-TRINS CEMENTERING AF EN BOREHULSFORING
摘要
申请公布号	DK224988(D0)	申请公布日期	1988.04.25
申请号	DK19880002249	申请日期	1988.04.25
申请人	MASCO INDUSTRIES INC.;COCONO INC.	发明人	LINDSEY JR., EDWARD HIRAM;ALLAMON, JERRY P.
分类号	E21B17/07;E21B17/08;E21B33/14;E21B33/16;(IPC1-7):E21B33/14	主分类号	E21B17/07
代理机构		代理人
主权项
地址

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