CH79880A
(en )
1919-01-16
Process and device for continuous sterilization and purification of the air using ozonated water
FR24146E
(en )
1922-02-24
Process for the purification or purification of materials containing carbon
CH31254A
(en )
1905-03-15
Device for the treatment of the human body by means of suction
CH76807A
(en )
1918-02-01
Process and device for cleaning air and gases
CH77184A
(en )
1918-03-16
Process and device for cleaning air and gases
CH61286A
(en )
1913-09-16
Process and apparatus for the sterilization of liquids by means of ultra-violet rays
CH80024A
(en )
1919-06-02
Device for the surgical treatment of tongue play in cattle
CH81220A
(en )
1919-10-16
Suction apparatus for the detection and treatment of diseases and for laboratory work
CH16331A
(en )
1898-11-15
Device for the treatment of rheumatism and other diseases
FR491475A
(en )
1919-06-04
Method and apparatus for purifying camphor
CH76305A
(en )
1917-12-01
Process for producing embroidery and apparatus for carrying out part of the process
FR500767A
(en )
1920-03-24
Sewage purification apparatus
CH62227A
(en )
1913-11-01
Pneumatic apparatus for the treatment of the respiratory system
CH48232A
(en )
1910-10-01
Process and device for the purification of waste water
CH34617A
(en )
1906-05-15
Device for the treatment of the diastase solution used for post-saccharification of the wort
CH67578A
(en )
1915-02-16
Device to facilitate the treatment of cheese wheels
CH70716A
(en )
1916-03-01
Device to facilitate the treatment of cheese wheels
CH52476A
(en )
1911-11-16
Process for the manufacture of an agent for disinfecting air, liquids and solids
FR488388A
(en )
1918-09-24
Method and apparatus for the purification and deodorization of oils
CH83126A
(en )
1919-11-17
Process for purifying the anthraquinone
CH82598A
(en )
1920-03-01
Method and device for the electrical treatment of gases and vapors
CH83500A
(en )
1919-12-01
Device for cleaning and de-awning of grain
CH66010A
(en )
1914-08-01
Apparatus for treating the human body with vapors
CH69241A
(en )
1915-06-01
Device for medical light and heat treatment
FR516645A
(en )
1921-04-23
Process for the purification or purification of materials containing carbon