CH35356A
(en )
1906-08-15
Apparatus for obtaining mixtures of gaseous fluids in determined proportions
FR364978A
(en )
1906-09-01
Apparatus for electrolysis of liquids
FR342295A
(en )
1904-09-03
Apparatus for the production of ozone
CH33590A
(en )
1906-04-15
Advanced device for the reproduction of writings
FR353370A
(en )
1905-09-09
Rotary device for moving liquids or gases
CH44008A
(en )
1909-07-01
Device for ozonization of liquids
FR7642E
(en )
1907-09-17
Apparatus for the production of gaseous liquids
FR356031A
(en )
1905-11-18
Apparatus for the production of gaseous liquids
CH36075A
(en )
1906-11-30
Liquid purification device
FR359013A
(en )
1906-03-14
Apparatus for regulating the flow of fluids
CH38703A
(en )
1907-11-30
Installation for obtaining mixtures of gaseous fluids in determined proportions and their use
FR379129A
(en )
1907-10-25
Apparatus for electrolysis of liquids
CH31366A
(en )
1905-03-31
Apparatus for air carburization
FR358127A
(en )
1906-01-29
Apparatus for teaching arithmetic
FR386869A
(en )
1908-06-25
Ozone preparation apparatus
FR3837E
(en )
1905-03-14
Apparatus for the industrial production of ozone using liquid air
FR4172E
(en )
1905-06-10
Apparatus for the industrial production of ozone using liquid air
FR347148A
(en )
1905-02-24
Apparatus for the industrial production of ozone using liquid air
FR11766E
(en )
1910-05-04
Apparatus for obtaining carbureted air
FR375004A
(en )
1907-06-28
Apparatus for obtaining carbureted air
FR370718A
(en )
1907-02-18
Apparatus for electrolysis of liquids
FR400860A
(en )
1909-08-11
Continuously operating device for the concentration of liquids
FR361972A
(en )
1907-01-21
Apparatus for the concentration of fermented drinks
FR398207A
(en )
1909-05-29
Machine for the extraction of gases or liquids
FR354589A
(en )
1905-10-09
Apparatus for concentration of ores