METHOD OF DRILLING AND PROVIDING WITH TABULAR LINING THE HORIZONTAL OR NEARLY HORIZONTAL BORE-HOLES BENEATH STREET SURFACES AND IN EMBANKMENTS, IN PARTICULAR IN SANDY SOILS,申请号PL19900286253-传众专利搜索

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发明名称	METHOD OF DRILLING AND PROVIDING WITH TABULAR LINING THE HORIZONTAL OR NEARLY HORIZONTAL BORE-HOLES BENEATH STREET SURFACES AND IN EMBANKMENTS, IN PARTICULAR IN SANDY SOILS
摘要
申请公布号	PL286253(A2)	申请公布日期	1991.05.06
申请号	PL19900286253	申请日期	1990.07.26
申请人	PARKA ZBIGNIEW;URBANSKI ADAM	发明人	PARKA ZBIGNIEW;URBANSKI ADAM
分类号	(IPC1-7):E02D29/10	主分类号	(IPC1-7):E02D29/10
代理机构		代理人
主权项
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