CH82598A
(en )
1920-03-01
Method and device for the electrical treatment of gases and vapors
CH82917A
(en )
1919-11-01
Electrical method and device for metal spraying
CH79987A
(en )
1919-02-01
Method and device for the electrical heating of rivets
CH78963A
(en )
1918-09-16
Process and device for the reduction of ores
CH81220A
(en )
1919-10-16
Suction apparatus for the detection and treatment of diseases and for laboratory work
CH81372A
(en )
1919-06-02
Method and device for the simultaneous use of different types of electrical current
CH79341A
(en )
1918-11-01
Method and device for the extraction of shale oils
CH79338A
(en )
1919-03-17
Process and apparatus for the electrolytic production of mercury oxide
CH80514A
(en )
1919-03-17
Method and device for mechanically dividing peat
AU869718B
(en )
1919-05-20
Method of and apparatus for treating gases and vapors electrically
CH78308A
(en )
1918-07-01
Process and device for the production of dry fuels
CH80098A
(en )
1919-03-17
Electrical method and device for metal spraying
CH80137A
(en )
1919-02-01
Method and device for connecting wires
CH82347A
(en )
1919-12-16
Method and device for wrapping objects of parallelepiped shape
AT83246B
(en )
1921-02-25
Method and device for the treatment and extraction of tar and ammonia water from gases.
FR491475A
(en )
1919-06-04
Method and apparatus for purifying camphor
AU869718A
(en )
1919-05-20
Method of and apparatus for treating gases and vapors electrically
CH83048A
(en )
1920-04-01
Device for cleaning and disinfecting telephone sets
CH82168A
(en )
1919-09-01
Syringe for treating urethral diseases
CH66499A
(en )
1914-09-16
Method and device for treating solutions with gases
CH81899A
(en )
1919-12-16
Extraction process and facility for carrying out the process
CH80902A
(en )
1919-04-16
Device for facilitating the tying of packages and the like
NL303C
(en )
1914-08-01
Method of an apparatus for the preparation and treatment of crystals
CH81525A
(en )
1919-11-01
Method and device for the manufacture of screw connections for electrodes for melting furnaces and the like
CH80530A
(en )
1919-07-16
Process for the electrical heating of ovens