CH80802A
(en )
1919-09-16
Method and device for the production of combustible gas with the recovery of by-products
CH69909A
(en )
1915-08-02
Method and device for smoke-free combustion with the supply of secondary air
CH80097A
(en )
1919-06-02
Methods for igniting liquid air cartridges and the like
CH78308A
(en )
1918-07-01
Process and device for the production of dry fuels
AT96138B
(en )
1924-02-25
Process for the production of fuel.
CH83517A
(en )
1919-12-16
Method and device for the production of photographs of terrain from aircraft
AT87482B
(en )
1922-02-25
Process for the production of asbestos slate and the like.
CH80085A
(en )
1919-06-02
Method and device for the production of cardboard boxes
CH76103A
(en )
1917-11-01
Method and device for the production of paper bags
AT110962B
(en )
1928-10-25
Process for rectifying the mixture of noble gases obtained when air is broken down into its components.
CH82936A
(en )
1919-11-01
Key and method of making the same
CH79929A
(en )
1919-01-16
Process for generating luminous gas and water gas
CH81895A
(en )
1919-08-01
Process for the production of paintings on cut pieces of fabric
AT91372B
(en )
1923-02-26
Process for the extraction of low-boiling hydrocarbons from natural gases.
AT82908B
(en )
1921-02-25
Process for producing a mixture of high pressure and low pressure gas for welding torches and the like. like
CH80964A
(en )
1919-09-16
Process for the production of high percentage solutions of calcium nitrate
CH81318A
(en )
1919-06-02
Process for the production of an acid-resistant and waterproof mass
AT88456B
(en )
1922-05-10
Process for the production of perylene.
CH76738A
(en )
1918-02-01
Process and device for the separation of gas mixtures by means of rectification
CH82059A
(en )
1919-08-16
Process for the production of leather substitutes
CH79651A
(en )
1918-12-16
Facility for the production of calcium carbide
AT102642B
(en )
1926-02-25
Method and device for the production of squibs.
CH82935A
(en )
1919-11-01
Device for the production of moldings
AT89534B
(en )
1922-09-25
Method and device for the production of oak wood imitations.
CH79342A
(en )
1919-03-17
Process for the production of artificial leather