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PL274552A2
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Anticondensation transom
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PL273339A1
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Device permitting fuel oil combustion in a carburetor engine
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PL269872A1
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System for stabilizing reference level of video signal in a tv oscilloscope
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PL257413A1
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Fuel economizer
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PL257412A1
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Slow-running jet
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PL256137A1
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Air-fuel mixture reservoir for combustion engines
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PL256138A1
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Apparatus for intaking fuel vapour to a spark ignited combustion engine
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PL256135A1
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Braking system for vehicles in particular automotive ones
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PL256136A1
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Apparatus for directing exhaust gas from exhaust system to intake one of a combustion engine
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PL256139A1
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Turbine for preparing combustive mixture for spark ignited internal combustion engines
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PL255444A1
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Method of and system for supplying fuel to spark-ignited internal combustion engines
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PL253150A1
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Frequency characteristic corrector circuit arrangement for a gramophone speed transducer
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PL252648A1
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Circuit arrangement of a programmable dc source
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