Login| Sign Up| Help| Contact|

Patent Searching and Data


Document Type and Number:
Japanese Patent JPS53113010
Kind Code:
U
More Like This:
JPH07297925AUTOMATIC TRUNK LINE SELECTOR
JPS6184147CHARGING SIGNAL DETECTION SYSTEM OF TRUNK LINE TRUNK CIRCUIT OF PRIVATE AUTOMATIC BRANCH EXCHANGE
Application Number:
JP1961277U
Publication Date:
September 08, 1978
Filing Date:
February 16, 1977
Export Citation:
Click for automatic bibliography generation   Help
International Classes:
H04M15/34; H04Q3/58; (IPC1-7): H04M15/34
Domestic Patent References:
JPS4811907A
JPS51108707A1976-09-27
JPS50117327A1975-09-13



 
Previous Patent: JPS53113009

Next Patent: JPS53113011