CH50318A
(en )
1911-05-16
Process for the production of reinforced concrete floors
CH49081A
(en )
1911-01-02
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
CH61633A
(en )
1913-10-01
Process for the production of ceiling formwork
NL74C
(en )
1913-12-15
Process for the manufacture of imitation marble slabs
CH58351A
(en )
1913-03-01
Process for the production of artificial building blocks
CH56522A
(en )
1912-11-01
Process for the production of artificial building blocks
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
CH55154A
(en )
1912-07-16
Process for the production of concrete beams with cavities
CH70390A
(en )
1915-09-16
Process for the production of jointless rammed floors
CH62274A
(en )
1913-11-17
Process for the production of hollow bodies from concrete
CH66777A
(en )
1914-10-16
Process for the manufacture of pipe fittings
CH55865A
(en )
1912-09-16
Process for the production of rollable plaster bases
CH67854A
(en )
1915-04-01
Process for the manufacture of concrete piles
CH71161A
(en )
1915-12-01
Process for the production of portland cement
CH54792A
(en )
1912-06-17
Process for the production of wooden mats
CH50462A
(en )
1911-06-01
Process for the production of waterproof building materials
CH64160A
(en )
1914-03-16
Process for the production of a waterproof cement
CH61039A
(en )
1913-09-01
Process for the production of wooden panels
CH62272A
(en )
1913-11-17
Process for the production of walls from building panels
CH57226A
(en )
1912-12-16
Process for the production of covering panels