CH52853A
(en )
1912-01-02
Process for the production of quartz objects consisting of at least two layers
CH65491A
(en )
1914-06-16
Process for the production of hollow stones closed on all sides
AT63610B
(en )
1914-02-25
Process for the production of hydrastinine from berberine.
CH55315A
(en )
1912-08-01
Process for the production of road surfaces
CH51815A
(en )
1911-09-16
Process for the manufacture of shaped articles
CH58823A
(en )
1913-04-01
Process for the production of metal layers
CH52326A
(en )
1911-11-01
Process for the production of bodies consisting of layers glued to one another
CH57546A
(en )
1913-01-16
Process for the production of size
CH53335A
(en )
1912-02-01
Process for the production of hydroquinine
CH52851A
(en )
1912-01-02
Process for making clear quartz articles
CH52852A
(en )
1912-01-02
Process for making clear quartz articles
CH50536A
(en )
1911-06-01
Process for the manufacture of filters
CH47178A
(en )
1910-06-01
Process for the manufacture of surface coolers
CH66000A
(en )
1914-08-01
Process for the production of incandescent bodies
CH63494A
(en )
1914-02-02
Process for the production of components
CH55564A
(en )
1912-08-16
Process for the production of metal paper
CH47007A
(en )
1910-05-16
Process for the production of raw hard hollow bodies from metal strips
CH66699A
(en )
1914-10-01
Process for the production of frisé goods
CH52437A
(en )
1911-11-16
Process for the production of layers from acetyl cellulose
CH48460A
(en )
1910-10-17
Process for the production of decorative seams
CH55514A
(en )
1912-08-16
Process for the production of vitreous bodies
AT82991B
(en )
1921-02-25
Process for the production of hydrogen.
CH51422A
(en )
1911-09-01
Process for the production of over-spun buttons
CH63365A
(en )
1914-01-16
Process for the production of nitrocellulose
CH49278A
(en )
1911-01-16
Process for the production of dense, metallic layers