FR1186922A
(en )
1959-09-03
Preparation of compositions for the treatment of plants
CH81725A
(en )
1919-07-01
Watering lance for the treatment of plants
FR533562A
(en )
1922-03-06
Extraction of mineral fats by treatment of carbides of all kinds with sulfur dioxide and ketones
FR489066A
(en )
1918-12-13
Spray lance for easy access to underside of leaves
FR518877A
(en )
1921-06-01
Method and devices for the use of low falls
CH81336A
(en )
1919-11-01
Racket for watch movements
FR889527A
(en )
1944-01-12
Plant for the continuous treatment of flax or other fibrous plants
FR497261A
(en )
1919-12-02
Gutters for refrigeration plant piping
FR498799A
(en )
1920-01-22
Forefoot amputee device
FR506940A
(en )
1920-09-01
Earring
FR541042A
(en )
1922-07-21
Sprayer for the treatment of plants against mildew
FR21901E
(en )
1921-04-09
attachable mechanical crumbler for loosening arable land
FR509722A
(en )
1920-11-18
attachable mechanical crumbler for loosening arable land
FR498877A
(en )
1920-01-24
Fluid for the treatment of tobacco leaves or other plants
FR518977A
(en )
1921-06-02
Objective group
FR493135A
(en )
1919-07-31
Plant for the extraction of substances from industrial and medicinal plants
FR493183A
(en )
1919-08-01
Improvements to bathtub drain pipes
FR22454E
(en )
1921-07-12
Electro-converter furnace and related treatment process for the manufacture of ordinary and special steels
FR486353A
(en )
1918-03-28
Process for using the natural draft of chimneys
FR564284A
(en )
1923-12-26
Hut for the intensive breeding of backyard animals
FR490959A
(en )
1919-05-17
Method for the purification of anthraquinone
FR521539A
(en )
1921-07-15
Gasoline purification process
FR511668A
(en )
1920-12-31
Process for using basic phosphate slag
CH79179A
(en )
1919-03-01
Process for the preparation of neutral ammonia sulfate
FR529397A
(en )
1921-11-26
High flow rate animal-drawn sulfur machine for the treatment of vines