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DE19604038A1
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Controllable solid-state non-moving Venetian blind functioning sun-shade
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DE19541868A1
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Combined radio-cassette player for use by blind or partially-sighted
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Barrier preventing pollutants from underground car parks penetrating living areas
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Device for simulating TV receiver operation
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Method for masking the original character in the TV transmission
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Method for differentiating between video and film originals in TV transmission
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Natural draught combustion system - includes bulging fuel basket which directs secondary hot air over combustion chamber in layers
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SIGNAL PROCESS AND OPERATING TECHNOLOGY FOR LASER SPECTROSCOPIC QUANTITY DETERMINATION OF AMMONIA IN GAS MIXTURES
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Focusing solar light collector
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Method for producing drilled holes for through-plated contact making in electronic printed-circuit boards
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Holder for free ends of ropes - has flexible magnetic material embodied in rope and magnetised panels fixed to hull or deck
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Visual comparison of two objects by overlapping - involving observation of each object with one eye only, using double pair reflector mirror system
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Gas cell of atomic frequency standard with internal coating - of metal, esp. sodium or rubidium carbonate, reducing cohesive stress of metal droplets
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Platinum resistance temp measurement linearisation circuit - operational amplifier injects reference voltage dependent current
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Stabilised HV generating circuit with isolating transformer - uses voltage surges from primary or auxiliary winding fed to monoflop
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