FIELD: greenhouse equipment. SUBSTANCE: sealing device has sealing and damping pipe and two retaining plates connected with sealing and damping pipe. Retaining plates are bent one toward the other. Retaining plates may be curved at obtuse angle. EFFECT: increased efficiency, simplified construction and enhanced reliability in operation. 2 cl, 2 dwg
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Authors
Dates
1997-09-27—Published
1994-09-16—Filed