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(11) 75838 (51) (2012.01)
E02D 31/00
E02D 19/00
(24) 10.12.2012
(21) u201207901 (22) 26.06.2012
(46) 10.12.2012, . 23
(71) Ѳ (UA ); Ͳ (UA )
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MELNYCHUK PETRO OLEKSIIOVYCH (UA ); BROIDE IHOR LEONIDOVYCH (UA )
(72) (UA ); (UA )
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(UA ); (UA )
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Melnychuk Petro Oleksiiovych (UA ); Broide Ihor Leonidovych (UA )
(73) Ѳ, . , 10, . 203, . , 69118 (UA ); Ͳ, . 40 , 72-, . 13, . , 69035 (UA )
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MELNYCHUK PETRO OLEKSIIOVYCH (UA ); BROIDE IHOR LEONIDOVYCH (UA )
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(54) в
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DRAINAGE SYSTEM FOR LOWERING THE LEVEL OF UNDERGROUND WATERS
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(57)
   
 
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