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HU9702389D0
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Mechanically coded key and a lock and lock insertion
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Power genaration by vacuum ball chain driven by hydrostatic lift
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Device contraining permanent magnets for modifying characteristics of liquids
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One-man lift
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Closures for keyholes
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Distant-+control safety lock for gates
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Rotating wing-chamber internal combustion engine
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Pulzoximetric measuring instrument and method for its application
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Dynamo for bicycles
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Method and device for forming accumulator plate holder by thermo-setting
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HUT68971A
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Floating unit established on stagnant water and/or river, set up with modul elements
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Technology for the changing of grass cutting methods along highways, railways and other hard-to-cut places by chemical method
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HU903085D0
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Apparatus for operation automatic gear of motor vehicles clutch
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