AT82908B
(en )
1921-02-25
Process for producing a mixture of high pressure and low pressure gas for welding torches and the like. like
CH80802A
(en )
1919-09-16
Method and device for the production of combustible gas with the recovery of by-products
AT96138B
(en )
1924-02-25
Process for the production of fuel.
CH68153A
(en )
1915-02-16
Process for the production of fuel
CH80964A
(en )
1919-09-16
Process for the production of high percentage solutions of calcium nitrate
CH78971A
(en )
1918-09-16
Process for the production of spur and helical gears
CH74526A
(en )
1917-03-01
Process for the production of concentrated nitrous gases
CH79962A
(en )
1919-01-16
Process for the production of a lacquer
CH79929A
(en )
1919-01-16
Process for generating luminous gas and water gas
CH80422A
(en )
1919-03-01
Process for the production of metal bodies
CH78688A
(en )
1918-08-16
Soldering iron and process for its manufacture
AU1147719A
(en )
1920-08-24
Apparatus for the production of pressure gas
AT94142B
(en )
1923-09-10
Process for the production of flares and cartridges.
CH57344A
(en )
1913-01-02
Process for the production of gas and bubble-free metal blocks
CH81557A
(en )
1919-12-01
Process for the preparation of a mixture of 4- and 6-chloroisatin
CH80639A
(en )
1919-09-01
Process for the preparation of a mixture of 4- and 6-methylisatin
CH78790A
(en )
1918-09-02
Process for the production of emulsion for technical purposes
CH57295A
(en )
1913-01-02
Process and device for the production of liquid luminous gas without loss of liquefiable gases
CH51990A
(en )
1911-10-16
Process for the manufacture of cylinders for explosion engines
CH78152A
(en )
1918-06-17
Process for the production of self-lubricating, elastic metal packing rings for stuffing boxes and the like
CH81560A
(en )
1919-11-17
Process for the preparation of a mixture of 4-5- and 5-6-dichloroisatin
CH81553A
(en )
1919-11-01
Process for the preparation of a mixture of 4-chloro-5-methyl- and 5-methyl-6-chloroisatin
CH81556A
(en )
1919-11-17
Process for the preparation of a mixture of 4-methyl-5-chloro- and 5-chloro-6-methylisatin
AT91372B
(en )
1923-02-26
Process for the extraction of low-boiling hydrocarbons from natural gases.
CH77895A
(en )
1918-11-01
Briquette and process for its manufacture