شركة الصداعات البلاستيكية الفنية الأردنية المساهمة الخصوصية (تيبكو)
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A double wall irrigation pipe is provided with an outer smooth wall an inner helically corrugated wall, the helically corrugated wall is divided in segments having annular corrugated wall segments therebetween sealing one helically corrugated segment from other helically corrugate and segments, water inlet openings are provided at one end of each helically corrugated segment, and outlet openings are provided in the smooth wall at the other end of each helically corrugated segments
JO1978986A1978-11-281978-11-28Jacketted drip irrigation conduits of artificial material
JO986B1
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