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
CH56778A
(en )
1912-12-02
Machine for the production of concrete pipes
AT68762B
(en )
1915-05-25
Machine for the production of roof tiles from cement and other suitable mixtures.
DK21368C
(en )
1916-07-24
Stamping machine for the production of cement pipes.
CH66966A
(en )
1914-11-02
Process for the production of homogeneous pressed concrete piles
CH65872A
(en )
1914-07-16
Process for the production of concrete or reinforced concrete piles
DK21302C
(en )
1916-06-19
Mold for Concrete Buildings.
ES63066A1
(en )
1916-11-01
Cement wedges, reinforced or not.
CH70399A
(en )
1915-09-16
Core for molds for the production of pipes from cement, concrete and the like
AT75511B
(en )
1919-02-25
Reinforced brick masonry.
CH67387A
(en )
1914-12-01
Process for the production of building blocks, roof tiles etc.
DK15161C
(en )
1911-10-09
Cement Pipe Making Machine.
DK23572C
(en )
1918-09-30
Procedure for the manufacture of hulls of reinforced concrete.
CH66460A
(en )
1914-09-16
Machine for the production of fittings
AT33149B
(en )
1908-05-25
Machine for the production of cement bricks.
DK15517C
(en )
1912-01-22
Cement Making Machine.
CH60278A
(en )
1913-07-01
Machine for the production of roof tiles and other plate-shaped objects made of cement etc.
AT52445B
(en )
1912-02-26
Forming machine for the production of hollow concrete and similar building blocks.
DK17389C
(en )
1913-06-09
Multipart Molds for Cement Structures.
CH72600A
(en )
1916-06-02
Driving pipe for the production of concrete piles
CH68623A
(en )
1915-04-16
Facility for continuous, waste-free production of artificial stone slabs or pipes from a length of fabric
AT67998B
(en )
1915-02-25
Machine for the production of feather boas.
DK21334C
(en )
1916-07-10
Iron-reinforced concrete fence.
DK27683C
(en )
1921-05-23
Machine for the manufacture of boat spikes.