CH68557A
(en )
1915-04-01
Method and device for the production of moment X-rays
CH68168A
(en )
1915-02-16
Cross-wound bobbin and method of making the same
AT75563B
(en )
1919-02-25
Process for the preparation of monoarylaminoquinones and diaryldiaminoquinones.
CH70609A
(en )
1915-10-01
Welding sheet and method of making the same
CH75351A
(en )
1917-07-16
Method and device for the production of interchangeable photographs
CH54274A
(en )
1912-05-17
Method and device for the production of mica sheets
CH63112A
(en )
1914-01-02
Method and device for the production of rennet liquid
CH59001A
(en )
1913-04-16
Method and device for the production of artificial railways
CH69955A
(en )
1915-08-02
Process for the preparation of 4-chloro-1-oxyanthraquinone
CH71544A
(en )
1916-01-17
Process for the preparation of 4-methyl-1-oxyanthraquinone
NL303C
(en )
1914-08-01
Method of an apparatus for the preparation and treatment of crystals
CH73661A
(en )
1916-11-01
Device for the production of concrete steps
CH59359A
(en )
1913-05-02
Method and device for the production of glass vessels
CH58635A
(en )
1913-03-17
Method and device for the production of silk and other fine fabrics
CH62084A
(en )
1913-11-01
Method and device for making macadam
CH69126A
(en )
1915-05-17
Structure, as well as method and device for the production of the same
CH57596A
(en )
1913-01-16
Method and device for the production of rings with setting
CH71664A
(en )
1916-02-01
Process for the preparation of ethylidene tetrahydropapaverine
CH69005A
(en )
1915-05-17
Method and apparatus for producing blueprints
AT63631B
(en )
1914-02-25
Method and device for the production of glass rings.
CH67771A
(en )
1915-01-16
Method and device for the production of autotypical raster images
CH53490A
(en )
1912-03-01
Method and device for the production of insulating pipes
CH70056A
(en )
1915-08-16
Process for the preparation of methylene tetrahydropapaverine
CH58212A
(en )
1913-03-01
Oven and method of making the same
CH57594A
(en )
1913-01-16
Method and device for the production of reliefs