CH73669A
(en )
1916-11-01
Undivided head shape for the production of glass objects
CH65491A
(en )
1914-06-16
Process for the production of hollow stones closed on all sides
CH72355A
(en )
1916-05-01
Process for the production of road surfaces
CH79967A
(en )
1919-01-16
Process for the production of enamelled everyday objects
CH71918A
(en )
1916-03-01
Process for the production of aluminum hydroxide
CH76038A
(en )
1917-10-16
Process for the production of sodium amide
CH72628A
(en )
1916-06-16
Process for the production of antimonies
CH72948A
(en )
1916-08-01
Process for the production of reversible shoes
CH77246A
(en )
1918-03-16
Process for the electrolytic production of persons
CH66000A
(en )
1914-08-01
Process for the production of incandescent bodies
CH72958A
(en )
1916-07-17
Process for the production of sodium percarbonate
CH68153A
(en )
1915-02-16
Process for the production of fuel
CH72366A
(en )
1916-10-16
Process for the production of tops
CH68831A
(en )
1915-04-16
Process for the production of borofluorotassium
CH72174A
(en )
1916-04-17
Process for the production of enamels
AT70872B
(en )
1916-01-10
Process for the production of artificial marble.
CH74821A
(en )
1917-06-01
Mold frames for the production of artificial stone workpieces
CH76040A
(en )
1917-10-16
Process for the production of sodium amide
CH74226A
(en )
1917-02-01
Process for the production of sodium amide
CH76039A
(en )
1917-10-16
Process for the production of sodium amide
CH63494A
(en )
1914-02-02
Process for the production of components
CH55494A
(en )
1912-09-02
Hollow bodies for the production of ceilings
CH80251A
(en )
1919-02-17
Process for the production of concave mirror surfaces
AT63633B
(en )
1914-02-25
Process for the production of glass rings with imitation cut.
CH62853A
(en )
1913-12-16
Process for the production of paints