CH75482A
(en )
1917-08-16
Alternating image, as well as the process and apparatus for its production
DK23219C
(en )
1918-07-01
Method and Apparatus for the production of aluminum chloride.
CH70052A
(en )
1915-08-16
Palate plate, as well as the method and shape for its manufacture
CH53115A
(en )
1912-02-01
File, as well as process and device for their production
CH69157A
(en )
1915-06-01
Jacquard braid with attached weight, as well as method and device for their production
DK16558C
(en )
1912-10-28
Apparatus for the production of artificial respiration.
CH73177A
(en )
1916-09-01
Briquette and process for its manufacture
CH74996A
(en )
1917-05-16
Umbrella and process for its manufacture
DK20584C
(en )
1915-09-20
Method and Apparatus for the Production of Lead Oxide.
DK20077C
(en )
1915-04-12
Method and Apparatus for the Production of Nitric Acid.
AT78903B
(en )
1919-10-25
Breathing apparatus.
CH65127A
(en )
1914-05-16
Apparatus for the production of nitrogen oxides
CH74961A
(en )
1917-10-01
Spout bearing metal and process for its manufacture
CH68991A
(en )
1915-05-17
Process and apparatus for the production of black lead
CH71814A
(en )
1916-02-16
Process for the production of inking rollers
AT63631B
(en )
1914-02-25
Method and device for the production of glass rings.
DK18057C
(en )
1913-11-03
Method and Apparatus for Manufacturing or Organizing Plaster Disputes.
DK21013C
(en )
1916-02-14
Apparatus for Flaaning.
CA169336A
(en )
1916-05-09
Bath apparatus
FI6282A
(en )
1916-03-16
Apparatus for the treatment of electrolyte
DK14978C
(en )
1911-08-14
Method and apparatus for the electrolytic production of light metals.
CA124054A
(en )
1910-02-22
Apparatus for forming artificial stone
CH57513A
(en )
1913-01-16
Ribbon rope and method and device for its manufacture
DK27521C
(en )
1921-05-02
Apparatus for the Study of Gases.
DK32791C
(en )
1924-02-04
Procedure and Apparatus for the toughening of manganese-steel articles.