CH69905A
(en )
1915-08-02
Equipment for the production of artificial stone slabs, artificial leather etc.
DK17177C
(en )
1913-04-07
Procedure for the production of artificial stone.
CH72151A
(en )
1916-04-01
Forming machine for the production of hollow stones
CH65491A
(en )
1914-06-16
Process for the production of hollow stones closed on all sides
AT75544B
(en )
1919-02-25
Manufacture of artificial stones.
AT75547B
(en )
1919-02-25
Process for the production of disinfectants.
CH69677A
(en )
1915-07-16
Machine for the production of Tresterstöckli
CH68446A
(en )
1915-03-16
Molding box for the production of artificial stones
AT71551B
(en )
1916-04-25
Process for the production of roofing felt.
AT70872B
(en )
1916-01-10
Process for the production of artificial marble.
CH72306A
(en )
1916-05-01
Device for the production of hollow bodies from flat, flexible structures
CH67387A
(en )
1914-12-01
Process for the production of building blocks, roof tiles etc.
DK20503C
(en )
1915-08-30
Procedure for the manufacture of artificial saddle leather.
CH72453A
(en )
1916-05-16
Process for the preparation of 1.5-diamido-2.6-dimercaptoanthraquinone
CH73661A
(en )
1916-11-01
Device for the production of concrete steps
DK20003C
(en )
1915-03-22
Procedure for the production of rubber.
CH63782A
(en )
1914-02-16
Device for the production of artificial building blocks
CH72053A
(en )
1916-03-16
Process for the representation of low-defect, artificial gemstones
AT71199B
(en )
1916-02-25
Device for the production of reinforced knitwear.
CH71657A
(en )
1916-02-01
Process for the preparation of 1,4-diamino-2-bromoanthraquinone sulfonic acid
AT74183B
(en )
1918-02-25
Process for the production of artificial stone.
CH71563A
(en )
1916-01-17
Molding box for the production of artificial stones
CH66062A
(en )
1914-08-01
Hollow stone for the production of hollow body slabs
DK20541C
(en )
1915-09-06
Procedure for the production of artificial stone.
DK16028C
(en )
1912-06-03
Procedure for the production of artificial stone.