|
WO2015041700A1
|
|
Method of extending a bore using a laser drill head
|
|
WO2014008482A1
|
|
Apparatus for removal of alkaline earth metal salt scale and method
|
|
WO2013113002A2
|
|
A method to control the environment in a laser path
|
|
EP2756148A2
|
|
An apparatus and system to drill a bore using a laser
|
|
CN103827434A
|
|
An apparatus and system to remove debris from a laser-extended bore section
|
|
HU1200124A2
|
|
Method and apparatus for laser drilling in a high coal content rock
|
|
HU1100665A2
|
|
Laser drill apparatus, laser drill head guide and method for controlling it
|
|
HU1100276A2
|
|
Method for ensuring of admission material into a bore hole
|
|
HU1000600D0
|
|
Method and apparatus for drilling below ground level
|
