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BG100128A
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Contact system for series of power swithces of stepping voltage regulators
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BG100129A
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Power switch for stepping voltage regulator
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BG100083A
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Device for overpressure protection of an oil vessel of a stepping regulator
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BG100082A
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Electric motor drive for stepping voltage regulator
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BG99993A
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Game of chess on circular board
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BG99994A
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Game of chess
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BG99777A
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Selector of a voltage stepping regulator
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BG99778A
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Stepping regulator selector, predominantly with complete insulation between the phases
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BG99039A
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Method for the preparation of triacetyloleandomycin
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BG98960A
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Spring actuation of high voltage power breakers
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BG41797A1
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Electric drive of disconnectors for high voltage
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BG40938A1
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Triphasic step regulator of voltage with insulated phases
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BG40630A1
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Protection from overpressure of oil vessel in stepped voltage regulator
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BG37058A1
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Power commutator of steplike regulator
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BG37362A1
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Complex distributing device for mean voltage
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BG36905A1
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Oil protective relay
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BG36769A1
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Mechanical blocking of power interruptor and disconnectors in distributing devices for high voltage
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BG36770A1
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Device for blocking power interruptor and disconnectors in distributing devices for high voltage
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BG36611A1
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Reductor with digital indicator and final mechanical blocking for stepwise type voltage regulator
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BG36612A1
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Mechanism with discontinued action and irregular step for selector of stepwise type voltage regulator
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