Supporting wall structure of straw has layers of bales in brick like fashion reinforced by vertical rods and with narrow planks laid loose along edges between at least two layers and connected horizontally by connectors
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Use of a clay broth as a fire retardant
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Heat insulating shell for agricultural buildings consists of closely packed, high-pressure compacted straw
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Hydraulic-pneumatic feeding device
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Circuit arrangement for high voltage testing of insulation coatings on metal areas
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Circuit arrangement providing an oak frequency, especially for echoloters
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Circuit arrangement for length measurement with ultrasonic echooling devices
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Circuit arrangement for calibrating ultrasonic echooling devices for length measurement
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Circuit arrangement for the paused extraction of ultrasonic switches
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Method and circuit for the evaluation of echograms
