CH74478A
(en )
1917-03-01
Method and device for room cooling
CH57844A
(en )
1913-02-01
Method and device for generating cooling air
CH74735A
(en )
1917-09-17
Washing method and equipment for carrying out the same
CH75351A
(en )
1917-07-16
Method and device for the production of interchangeable photographs
CH74442A
(en )
1917-06-16
Method and device for homogenizing
CH66501A
(en )
1914-09-16
Method and device for carrying out electroosmotic processes
CH58348A
(en )
1913-03-01
Method and apparatus for manufacturing pressed bodies
CH62395A
(en )
1913-11-17
Alloy and method and apparatus for making the same
CH63394A
(en )
1914-01-16
Method and device for the production of welded pipes
CH67771A
(en )
1915-01-16
Method and device for the production of autotypical raster images
CH76770A
(en )
1918-07-01
Method and device for generating heat
CH64705A
(en )
1914-04-16
Method and device for dry egg preservation
CH59993A
(en )
1913-06-16
Method and device for the full utilization of the heating gases
CH79346A
(en )
1919-01-16
Method and device for determining the exposure time in photographic recordings
CH71951A
(en )
1916-03-16
Method and apparatus for making multiple flanges on tubes
CH76823A
(en )
1918-02-01
Method and device for the production of shoe protectors
CH59250A
(en )
1913-05-02
Method and device for increasing the efficiency of air cooling systems
CH60527A
(en )
1913-07-16
Method and device for yeast preparation
CH68557A
(en )
1915-04-01
Method and device for the production of moment X-rays
CH75849A
(en )
1917-10-01
Method and device for the manufacture of articles from reinforced concrete
CH59499A
(en )
1913-05-16
Method and device for generating cold
CH63367A
(en )
1914-02-02
Method and device for preventing scale formation
CH74229A
(en )
1917-02-01
Method and device for the production of soap powder
CH62084A
(en )
1913-11-01
Method and device for making macadam
CH55750A
(en )
1912-09-02
Method and device for cleaning raw table salt