CH65683A
(en )
1914-07-01
Machine for the production of patterned artificial stone tiles
CH72465A
(en )
1916-05-16
Machine for the production of pipes from cement, concrete etc.
CH72357A
(en )
1916-05-16
Tamping machine for the production of pipes from cement, concrete or other similar molding compound
CH68126A
(en )
1915-02-16
Shaped stone for the production of reinforced hollow concrete ceilings
CH67057A
(en )
1914-11-02
Process for the production of a hollow ceiling from reinforced concrete
DK16028C
(en )
1912-06-03
Procedure for the production of artificial stone.
DK20541C
(en )
1915-09-06
Procedure for the production of artificial stone.
CH63287A
(en )
1914-01-16
Hollow cement stone
FR441091A
(en )
1912-07-29
Printed artificial stone slabs
CH63952A
(en )
1914-03-02
Process for the production of hollow ceilings from concrete or reinforced concrete, with attached plaster ceiling
CH70107A
(en )
1915-09-01
Process for the production of a slowly setting hydraulic cement
DK17177C
(en )
1913-04-07
Procedure for the production of artificial stone.
CH56778A
(en )
1912-12-02
Machine for the production of concrete pipes
CH60278A
(en )
1913-07-01
Machine for the production of roof tiles and other plate-shaped objects made of cement etc.
AT74183B
(en )
1918-02-25
Process for the production of artificial stone.
AT78008B
(en )
1919-08-25
Process for the production of artificial stones from porphyry or similar volcanic stones.
CH58351A
(en )
1913-03-01
Process for the production of artificial building blocks
CH67851A
(en )
1915-01-16
Process for the production of marble-like artificial stone slabs
ES52550A1
(en )
1912-06-01
A procedure for the manufacture of artificial material from sawdust, sawdust or the like.
ES55457A3
(en )
1913-06-16
A procedure for the manufacture of iridescent ties.
AT71199B
(en )
1916-02-25
Device for the production of reinforced knitwear.
CH67328A
(en )
1914-12-01
Process for the production of a water-soluble silver protein compound
AT71253B
(en )
1916-02-25
Process for the production of artificial stones from porphyry or similar volcanic rocks.
CH63782A
(en )
1914-02-16
Device for the production of artificial building blocks
AT68762B
(en )
1915-05-25
Machine for the production of roof tiles from cement and other suitable mixtures.