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JPH03182145A
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Multi-media protocol interface for 64kbit/s data flow
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JPH02258644A
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Method for doping core of fiber preform consisting of silica as base material
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JPH02160637A
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Process and apparatus for producing silica optical fiber
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JPH01195725A
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Method and device for decoding while detecting erasing place for multilevel transmission system
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JPS61242152A
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Apparatus for transmitting voice announcement digitally prememorized to subscriber connected to telephone circuit network
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US4706270A
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Equipment for sending digitally pre-stored voice announcements to the subscribers connected to a telephone network
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JPS614338A
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Digital circuit for extracting synchronizing signal from series code data
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JPS60120695A
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Pcm frame tuning unit
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FR2524209A1
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Waveguided device capable of separating dual band and dual polarization radio frequency signals
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