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Constructional details of co-ordinate-type selector switches not having relays at cross-points
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CPC
H01H63/33
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H
ELECTRICITY
H01
Electric elements
H01H
ELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES
H01H63/00
Details of electrically-operated selector switches
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H01H63/33
Constructional details of co-ordinate-type selector switches not having relays at cross-points
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Patents Grants
last 30 patents
Information
Patent Grant
Method for manufacturing connecting device for randomly connecting...
Patent number
8,151,444
Issue date
Apr 10, 2012
Siemens Aktiengesellschaft
Gerald Eckstein
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Automatic switching matrix
Patent number
4,326,191
Issue date
Apr 20, 1982
Massachusetts Institute of Technology
Martin F. Schlecht
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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Patent Application
Connecting Device for Randomly Connecting a Number of Transmitters...
Publication number
20080291938
Publication date
Nov 27, 2008
Gerald Eckstein
H04 - ELECTRIC COMMUNICATION TECHNIQUE