New pirani variant gauge, HVACR tool, patented, thoughts?
Posted: Tue May 30, 2017 10:23 am
Bluvac
http://accutools.com/
Patent
https://www.google.com/patents/US850431 ... MQ6AEIKDAA
HVAC Thread, inventor's post
http://hvac-talk.com/vbb/showthread.php ... st25292361
http://accutools.com/
Patent
https://www.google.com/patents/US850431 ... MQ6AEIKDAA
HVAC Thread, inventor's post
http://hvac-talk.com/vbb/showthread.php ... st25292361