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UUnited States Patent Patent Number : 5,739,598
Selfadjusting capacitive level switch for a non-contact or contact sensing of media or objects
Inventors : Franc Eferl
https://sites.google.com/site/izumiteljeferlfranc/home
All photographs are copyright Ika Zinka Eferl and may not be used without my permission
MarcViskens | 03-May-2015 08:01 | |
Neal Nye | 11-Jul-2014 11:00 | |