E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
255/58
E21B 19/18 (2006.01) B23Q 3/157 (2006.01)
Patent
CA 1024504
Hakkinen Leo
Heikkila Veikko
Strom Rolf
LandOfFree
Device for changing bore crowns on a drill rod does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Device for changing bore crowns on a drill rod, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Device for changing bore crowns on a drill rod will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-974986