CH554A
(en )
1889-04-08
Drill sharpening device for drill bits on embroidery machine drilling devices
CH3868A
(en )
1892-01-15
Drill point sharpener on embroidery machines
CH2962A
(en )
1891-08-15
Drill sharpener for embroidery machines
CH3211A
(en )
1891-07-15
Drilling apparatus with horizontally adjustable drills for embroidery machines
CH245A
(en )
1889-02-18
Grinder for embroidery machine drills
CH1199A
(en )
1889-10-19
Universal drill for embroidery machines
CH7495A
(en )
1894-06-15
Drilling apparatus for embroidery machines
CH5995A
(en )
1893-05-31
Advanced drilling machine
CH7437A
(en )
1894-03-31
Drilling respectively Stamping device for embroidery machines
CH3608A
(en )
1891-10-31
Emery bit for deep drilling
CH3492A
(en )
1891-09-30
Reversible stamping drill for embroidery machines
CH654A
(en )
1889-06-06
Charging bits for embroidery machines
CH6459A
(en )
1893-08-15
Device for controlling work machines
CH5147A
(en )
1892-10-31
Multiple, also for drilling, bewz. Turning usable threading machine
CH27059A
(en )
1903-11-30
Device on rock drilling machines for rinsing out the drill cores using pressurized water during drilling
CH2339A
(en )
1890-10-31
drilling machine
CH32143A
(en )
1905-06-30
Device for grinding stick drills of embroidery machines located on the drill rail
CH4075A
(en )
1892-02-15
Drilling device on screw pole machines
CH2435A
(en )
1890-11-15
Advanced device for controlling electro-dynamic drilling machines
CH5277A
(en )
1892-11-30
Drilling machine for drilling several holes in flanges at the same time
CH27318A
(en )
1903-12-31
Spindle drive device on machine tools
CH4233A
(en )
1892-05-14
Device for drilling hard rock
CH27279A
(en )
1903-12-31
Sharpening machine for embroidery machine drills
CH26477A
(en )
1903-09-30
Drilling apparatus on jacquard embroidery machines
CH30767A
(en )
1905-01-31
Drive device on drilling machines