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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS61128860
Kind Code:
U
More Like This:
JPS619956[Title of the device] A signal detection apparatus of the telephone in a remote-control monitoring system to be called
JP2023072600INTERCOM DEVICE AND INTERCOM SYSTEM
Application Number:
JP1249885U
Publication Date:
August 12, 1986
Filing Date:
January 31, 1985
Export Citation:
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International Classes:
H04M9/00; (IPC1-7): H04M9/00
Domestic Patent References:
JPS58106941A1983-06-25
JPS5125003A1976-03-01



 
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