DK10945C
(en)
|
|
Liner for drilled wells.
|
DK11316C
(en)
|
|
Chapter for Bor.
|
CA114225A
(en)
|
|
Bucket for bored wells
|
AT53092B
(en)
|
|
Sea mine.
|
CH48054A
(en)
|
|
Rock drilling machine
|
ES43230A1
(en)
|
|
New drilling apparatus for the construction of artisan wells.
|
AT41005B
(en)
|
|
String piano.
|
DK11259C
(en)
|
|
Procedure for the Production of Carbide.
|
DK11289C
(en)
|
|
Procedure for the Production of Carbide.
|
AT27595B
(en)
|
|
Rock drilling machine.
|
DK10533C
(en)
|
|
Drill for Drilling Plant Holes.
|
DK12176C
(en)
|
|
Percussion for Clocks.
|
AT26006B
(en)
|
|
Rock drilling machine.
|
AT27150B
(en)
|
|
Rock drilling machine.
|
AT46559B
(en)
|
|
Brick lining.
|
DK11532C
(en)
|
|
Window locker.
|
AT46526B
(en)
|
|
Rock impact drilling machine.
|
DK11121C
(en)
|
|
Adjustable Liner.
|
DK11090C
(en)
|
|
Excavator.
|
FR407947A
(en)
|
|
Auger bit
|
CA113745A
(en)
|
|
Rock drill
|
CA116057A
(en)
|
|
Rock drill
|
CA115344A
(en)
|
|
Rock drill
|
CA114889A
(en)
|
|
Rock drill
|
CA114825A
(en)
|
|
Rock drill
|