Constructional details of co-ordinate-type selector switches not having relays at cross-points

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H01H63/33

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HELECTRICITY H01Electric elements H01HELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES H01H63/00Details of electrically-operated selector switches

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H01H63/33Constructional details of co-ordinate-type selector switches not having relays at cross-points

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Patents Grantslast 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 Applicationslast 30 patents

Information 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