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25 bytes added ,  06:49, 25 May 2024
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==Patents==
 
==Patents==
 +
* [[US3983474A]] - 1975
 +
 
* [[US20050285591A1]]
 
* [[US20050285591A1]]
 
* [[US20060038555A1]]
 
* [[US20060038555A1]]

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