FIELD: construction of greenhouses. SUBSTANCE: trough is intended for draining weather precipitation and condensate and at same time it constitutes a component of greenhouse load-bearing structure. Tubular-type trough has a base, supporting, horizontal and upper flanges, vertical, outer and side walls, internal, external and additional spouts. Made in side walls of trough are open shaped recesses and seated in them are lugs of intermediate fastening members which are fastened to each other and to supporting columns. EFFECT: high efficiency and versatility of usage. 8 cl, 10 dwg
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Authors
Dates
1997-02-20—Published
1995-12-20—Filed