FR519528A
(en )
1921-06-11
Process for the production of economical soaps
CH76909A
(en )
1918-02-16
Process for the production of combustible briquettes
FR482701A
(en )
1917-04-20
Process for the production of combustible briquettes
FR508167A
(en )
1920-10-04
Process for the production of combustible steam
FR486838A
(en )
1918-05-14
Process for the manufacture of pyrite briquettes
CH78646A
(en )
1918-08-16
Process for the manufacture of briquettes
FR492393A
(en )
1919-07-05
Process for the manufacture of briquettes from garbage
FR540004A
(en )
1922-07-04
Briquette and process for making it
FR484772A
(en )
1917-11-06
Advanced process for the preparation of gaseous fuels
FR489510A
(en )
1919-02-14
Briquette manufacturing process
CH81099A
(en )
1919-05-01
Process for the production of briquettes from strawberries
FR488359A
(en )
1918-09-17
Enfleurage process
FR489108A
(en )
1918-12-20
Process and installation for the manufacture of briquettes
FR517872A
(en )
1921-05-14
Process for the production of bleaching charcoal
FR496756A
(en )
1919-11-15
Explosive and process for its manufacture
FR491557A
(en )
1919-06-07
Artificial fuel, process and apparatus for its manufacture
FR503048A
(en )
1920-06-01
Manufacturing process of combustible briquettes
CH77114A
(en )
1918-03-01
Cigar and process for its manufacture
CH75963A
(en )
1919-08-01
Process for the production of waterproof shoes
FR515075A
(en )
1921-03-24
Process for the treatment of ash by fusion
FR484316A
(en )
1917-09-25
Process for forming waste fuel into briquettes
FR513671A
(en )
1921-02-21
Process for the production of ferro-tungsten
FR517769A
(en )
1921-05-11
Process for the production of metallic bodies
FR519513A
(en )
1921-06-11
Process for the production of petroleum jelly
FR524751A
(en )
1921-09-10
Process for the manufacture of cartridge cases