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نسخه قدیمی APK Drill Collar Wt. vertical hole را برای اندروید بگیرید
DCollar weight for vertical hole
This little app is used to calculate the amount of drill collar weight required to obtain a desired weight on bit when drilling a vertical hole. The app has been tested on several android smart devices.Last updated on 28/04/2014
Minor bug fixes and improvements. Install or update to the newest version to check it out!
Drill Collar Wt. vertical hole
1.0 by Norm Greenwood
28/04/2014
$4.99