METHOD FOR CONSTRUCTION OF DEEP FISSURE DRAINAGE Russian patent published in 1994 - IPC

Abstract RU 2011741 C1

FIELD: ground drainage. SUBSTANCE: during excavation of ditch, formed hollow is filled with solution based on modified starch. Level of starch solution is maintained at the day surface. EFFECT: higher efficiency. 3 dwg

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RU 2 011 741 C1

Authors

Nikljaev Jurij Ivanovich

Sivkov Ehduard Ivanovich

Dates

1994-04-30—Published

1991-04-30—Filed