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BR0201646A
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Bank and credit card cloning protection system
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BR0201645A
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Immediate control system for bank and credit card transactions
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BR0201643A
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Electoral voting system using fixed cellular tetephones system
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BR9804451A
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Optical reader equipment for the visually impaired.
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BR9203109A
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INcoming CALL WARNING SIGN FOR BUSY TERMINAL
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BR9200885A
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Equipment for supervision of telephone calls in real treatment on senders
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BR9105171A
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Remote subscriber equipment with automatic transmission
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BR9104656A
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Monitoring equipment and remote interference at the end of selecting the called telephone line
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BR9003250A
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Type machine interconnection equipment, telephone network
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BR8802103A
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Double tone multi-frequency receiver with central supervision
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BR8707137A
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Call controller for private telephone switching center
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BR8704464A
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Front brake activation visual indication
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BR8704463A
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Digital indicator for correct exchange position in motor vehicle
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BR8606191A
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Operating bina
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BR8603056A
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Smart converter demodulator modulator
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BR8506497A
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Solar individual protector
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BR8505414A
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Real traffic observer
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BR8305467A
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Direct dial dialing via telephone terminal
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BR8303655A
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B identifies number a
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BR8205546A
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Automatic control and identification of intercepted numbers
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