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JPH03219114A
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Rotation supporting mechanism of switching body
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JPH03160899A
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Radio call system in wire telephone system
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JPH036962A
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Caller number display system to telephone system with display
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JPH036993A
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Call system for extension telephone set
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JPH01303895A
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Data number identification system
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JPH01264044A
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Display device for telephone set or the like
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JPH01152857A
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Bar code signal communication system
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JPS63240164A
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Transfer communication system
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JPS62114361A
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Click tone noise absorbing circuit
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JPS5983436A
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|
Data transmission control system
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JPS5983428A
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Pcm transmission system in time division exchange
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JPS5979698A
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|
Method for controlling time division digital exchange
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JPS5892190A
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|
Stopping system for station incoming sound
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JPS5361205A
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|
Circuit for preventing incoming of quasiisignal
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|
JPS52130510A
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System for starting calllback
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JPS52106A
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Paging transfer system
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|
JPS52107A
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Monitor signal transmission system
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JPS5174501A
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|
KIKOSETSUZOKUHOSHIKI
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JPS5174502A
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HATSUSHINREJISUTASENTAKUHOSOKUHOSHIKI
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JPS5174507A
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Shikenkinoojusuru suitsuchikudohoshiki
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