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2015
|
Invention
|
Wellhead water quality detector. A module gathers information about water quality indicators in t... |
|
2014
|
P/S
|
Electric or electronic sensors for well monitoring and water
level and quality sensing. Electron... |
|
|
Invention
|
System for well monitoring. A module gathers information about the level of water in a water well... |
|
|
P/S
|
Electric or electronic sensors for well monitoring and water level sensing Electronic monitoring ... |
|
2013
|
Invention
|
Wellhead water level sensor.
A module gathers information about the level of water in a water we... |
