PL286253A2 - 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
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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
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Application filed by Zbigniew Parka, Adam UrbanskifiledCriticalZbigniew Parka
Priority to PL28625390ApriorityCriticalpatent/PL286253A2/en
Publication of PL286253A2publicationCriticalpatent/PL286253A2/en
PL28625390A1990-07-261990-07-26Method 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
PL286253A2
(en)
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
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
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
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