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BR9502093A
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Improvements in analog circuits for telephone call selector
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BR8803957A
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Original call blocker
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BR8803956A
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Improvement in residential electronic doors
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BR8803958A
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Diode simulator for plants that emit test pulses
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BR8803955A
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Improvements in light-battery sources
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BR8803959A
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Multiple terminal for printed circuit
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BR8601835A
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Improvements in electronic doors
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BR8601834A
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Improvements in electric locks
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BR8601833A
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Improvements in communication and music center
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BR8601137A
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Method of use for eprom memories
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BR8506657A
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Improvements in call canceler to be charged
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BR8506656A
|
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Microphone improvements and manufacturing process
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BR8506638A
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Adaptation in ddd blockers
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BR8504400A
|
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MOBILE EXTENSION SET
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BR8406823A
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Self-adjustable cancellation process
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BR8406822A
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Sequential controller improvements
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BR8406060A
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Process to cancel charging links
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BR8404096A
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Blocker integrated with keyboard phone
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BR8204507A
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|
Iu controller
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