CH49081A
(en )
1911-01-02
Process for the production of reinforced concrete floors
CH50318A
(en )
1911-05-16
Process for the production of reinforced concrete floors
CH66966A
(en )
1914-11-02
Process for the production of homogeneous pressed concrete piles
CH58846A
(en )
1913-04-01
Process for the production of railings from reinforced concrete
CH65872A
(en )
1914-07-16
Process for the production of concrete or reinforced concrete piles
CH76292A
(en )
1917-12-01
Process for the manufacture of objects from concrete
CH50173A
(en )
1911-05-01
Process for the production of artificial stone slabs
CH51068A
(en )
1911-07-17
Process for the production of artificial stone slabs
CH53033A
(en )
1912-01-16
Process for the production of engobed machine bricks
DE173035C
(en )
1906-07-05
PROCESS FOR THE MANUFACTURE OF IRON CONCRETE STRUCTURES
CH67057A
(en )
1914-11-02
Process for the production of a hollow ceiling from reinforced concrete
CH49731A
(en )
1911-03-16
Process for the production of shaped pieces for building purposes
CH71431A
(en )
1916-01-03
Process for the production of doors from reinforced concrete
CH73981A
(en )
1916-12-16
Process for the production of doors from reinforced concrete
CH62274A
(en )
1913-11-17
Process for the production of hollow bodies from concrete
CH61633A
(en )
1913-10-01
Process for the production of ceiling formwork
CH58351A
(en )
1913-03-01
Process for the production of artificial building blocks
CH50466A
(en )
1911-06-01
Process for the production of parquet floors
CH54439A
(en )
1912-06-01
Method for the production of a reinforced concrete hollow wall
CH70390A
(en )
1915-09-16
Process for the production of jointless rammed floors
CH50462A
(en )
1911-06-01
Process for the production of waterproof building materials
CH55315A
(en )
1912-08-01
Process for the production of road surfaces
CH68285A
(en )
1915-03-01
Process for the production of hollow components from concrete
CH53335A
(en )
1912-02-01
Process for the production of hydroquinine
CH52116A
(en )
1911-11-01
Process for the production of plastic masses