FIELD: agriculture. SUBSTANCE: apparatus has guarding unit made in the form of frame 1 mounted for displacement in vertical plane, electrodes secured by dielectric members and connected to power sources. Electrodes are connected in parallel one with respect to the other. Frame 1 is connected through flexible tie-rods 2 with outer ends of helical torsional springs of lifting coils 4, which are provided with attachment devices for attaching coils 4 to house walls above glassed window opening 9, whose width is less than that of frame 1. EFFECT: increased efficiency by improved convenience and simplified maintenance by personnel. 1 dwg
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Authors
Dates
1997-01-10—Published
1994-03-30—Filed