IT8822121D0
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Broadcast signals code-decoder
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HU885367D0
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Dynamic loudspeaker
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NL8821131A
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Dynamic speaker head.
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SU1751861A1
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Acoustic system
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Moving-coil loudspeaker
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GB8909349D0
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Device for coding and decoding sound broadcast signals
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Device for determining parameters of errors in discrete communication channel
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SU1451851A1
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Synchronous counter
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SU1437969A2
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Flip-flop
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SU1437994A1
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Synchronous counter
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SU1411993A1
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Device for determining logarithmic error factor in discrete communication channel
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GB2204201A
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Method and device for receiving frequency-modulated analog signals with digital processing
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Device for controlling the dynamic range of information-carrying audio signals in digital form
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Device for conversion of frequency-modulated analog signal into digital one
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IT8641571D0
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Digital audio signals recording and reading method
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NL8620347A
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Method for recording and reading digital audio information signals, and device for carrying out the method
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SU1372522A1
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Inverting transformer-less step-down voltage converter
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SU1374365A1
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Transformer-less voltage converter of radio receiver power supply unit
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SU1394289A2
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Direction-selective aerial device for receiving radiosignal
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SU1345082A1
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Alignment device
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