CH34720A
(en )
1906-05-31
Device for the production of artificial cement stones
CH35080A
(en )
1906-06-30
Device for the production of artificial threads
CH39693A
(en )
1908-04-01
Shaped stone for the production of reinforced ceilings
CH35287A
(en )
1906-07-31
Machine for the production of artificial stone slabs
CH30678A
(en )
1905-01-15
Device for the production of shaped stones
AT23590B
(en )
1906-03-26
Process for the production of artificial stones.
CH33065A
(en )
1905-10-15
Artificial stone
CH45438A
(en )
1909-11-16
Device for the production of multicolored artificial stone masses
CH36889A
(en )
1907-03-15
Mold for the production of artificial building blocks
CH33995A
(en )
1906-02-15
Porous artificial stone
CH36369A
(en )
1906-12-31
Two-part mold for the manufacture of cement pipes
DE173035C
(en )
1906-07-05
PROCESS FOR THE MANUFACTURE OF IRON CONCRETE STRUCTURES
CH33313A
(en )
1905-11-15
Device for the production of cement strands for glazing
CH37433A
(en )
1907-06-15
Novel artificial stone slab
CH30726A
(en )
1905-01-31
Facility for the production of mosaic sausage
CH42134A
(en )
1909-01-02
Device for the production of objects from artificial stone mass
CH30770A
(en )
1905-02-28
Device for the production of objects from artificial stone mass
FR370238A
(en )
1907-02-01
Artificial stone tile coffin
CH34235A
(en )
1906-03-31
Device for the production of egg sparrows
CH41586A
(en )
1908-11-02
Apparatus for the manufacture of calcium carbide
CH44045A
(en )
1909-07-01
Step bridge for the production of concrete ceilings with cavities of adjustable height
AT31807B
(en )
1908-02-10
Process for the production of magnesia cement compounds.
CH33514A
(en )
1905-12-15
Base for the production of hollow dressings for surgical purposes
CH44776A
(en )
1909-09-16
Device for the production of flower pots from cement and sand
CH27561A
(en )
1904-01-31
Plant for mixing raw materials used for the production of artificial stones