AT60969B
(en )
1913-09-10
Facility to improve lead chamber work in sulfuric acid plants.
FR444324A
(en )
1912-10-15
Improvements to the electrolytic pickling process
ES70438A1
(en )
1919-09-01
Improvements in the manufacture of concentrated nitric acid.
ES60672A1
(en )
1915-08-16
Improvements in the manufacture of nitric acid.
DK21034C
(en )
1916-02-28
Process for the production of highly concentrated nitric acid.
GB191320008A
(en )
1914-08-07
Improvements in or relating to Electrometers.
FR435229A
(en )
1912-02-24
Tank to be prepared
CH61418A
(en )
1913-09-16
Electrode arrangement to prevent cathodic reduction
DK23103C
(en )
1918-05-21
Procedure for the production of chemically pure nitric acid.
GB191220442A
(en )
1913-04-10
Improvements in or relating to what is known as Phototelegraphy.
DK15973C
(en )
1912-05-20
Connects to Straabindeapparater.
CH71189A
(en )
1915-12-01
Process for the preparation of highly concentrated nitric acid
CH69131A
(en )
1915-05-17
Rack for hydropower plants
DK19242C
(en )
1914-09-03
Nose shapes with two Adjustable Plates.
FR519051A
(en )
1921-06-04
Improvements to metal constructions
CH59483A
(en )
1913-05-16
Pressurized hydropower plant
FR483589A
(en )
1917-07-20
Improvements to economic constructions
DK16524C
(en )
1912-10-14
Cannula to Kopatter.
CH56516A
(en )
1912-11-16
Hydropower plant
AT79074B
(en )
1919-11-10
Accessories for the aiming devices of firearms to enable aiming in the dark.
FR444969A
(en )
1912-10-30
Improvements to spinner turbines
ES52326A1
(en )
1912-05-01
The application of sulfuric acid or sulfates in ceramic glazes.
CH73573A
(en )
1916-10-16
Method of concentrating nitric acid
CH65238A
(en )
1914-06-01
Process for the preparation of basic gallocarboxylic acid bismuth
DK26307C
(en )
1920-07-19
Form for the manufacture of several building bodies in one form.