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FR2218773A5
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Self-emptying tanks for fermentation of grapes - in prodn. of red wine and for its storage
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High-voltage circuit breakers
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High-voltage circuit breaking devices, notably for a shielded-type prefabricated electric station
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Electric connecting device
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DE1513033A1
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Protection device for electrical high-voltage equipment
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High-voltage safety switches
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Oil switch having anti-flash device for restricting arc type discharges upon switch openings
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Encapsulated electrical switching station
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