CH39050A
(en )
1908-01-16
Apparatus for the concentration of sulfuric acid
FR367376A
(en )
1906-10-27
Apparatus for the concentration of sulfuric acid
FR396161A
(en )
1909-04-03
Apparatus for the production of nitrogen acid
CH45639A
(en )
1909-12-01
Method and apparatus for the simultaneous manufacture and concentration of sulfuric acid
FR375392A
(en )
1907-07-08
Apparatus for preparing carbonic acid baths
FR363947A
(en )
1906-08-10
Method and apparatus for purifying sulfuric acid
FR342295A
(en )
1904-09-03
Apparatus for the production of ozone
FR398212A
(en )
1909-05-29
Improvements made to the kessler apparatus used to carry out the concentration of sulfuric acid
FR402079A
(en )
1909-09-25
Method and devices for the concentration of nitric acid
FR420563A
(en )
1911-02-02
Improvements in the construction of the kessler apparatus for the concentration of sulfuric acid
FR417166A
(en )
1910-11-08
Nitrogen Acid Concentration Process
FR13752E
(en )
1911-06-30
Apparatus for the production of sulfurous acid
FR420596A
(en )
1911-02-02
Apparatus for the production of sulfurous acid
FR381096A
(en )
1907-12-27
Device for intubation of the larynx
FR492977A
(en )
1919-07-26
Method and apparatus for the continuous concentration of sulfuric acid
FR368716A
(en )
1906-12-11
Electrolytic process for the concentration of nitrogen acid
FR432873A
(en )
1911-12-18
Sulfuric acid concentration process
FR378055A
(en )
1907-09-23
Apparatus and method for the reduction of animal and faeces by heated sulfuric acid
FR371685A
(en )
1907-03-13
Sulfuric acid concentration process
FR363617A
(en )
1906-08-03
Apparatus for the oxidation of nitrogen in the air in order to obtain nitrogen acid
FR355503A
(en )
1905-11-06
Process and apparatus for the solidification of carbonic acid
FR410685A
(en )
1910-05-26
Apparatus for the preservation of fermentable substances giving off carbonic acid
FR472366A
(en )
1914-12-03
Apparatus for the manufacture of sulfuric acid
FR365947A
(en )
1906-09-22
Apparatus to facilitate the study of descriptive geometry
FR358373A
(en )
1906-02-12
Process for the concentration of extended nitric acid