CH48047A
(en )
1910-09-01
Process for the production of ribbed ceilings in reinforced concrete
CH58846A
(en )
1913-04-01
Process for the production of railings from reinforced concrete
DE173035C
(en )
1906-07-05
PROCESS FOR THE MANUFACTURE OF IRON CONCRETE STRUCTURES
CH71432A
(en )
1916-01-03
Process for the production of railway sleepers from reinforced concrete
CH65872A
(en )
1914-07-16
Process for the production of concrete or reinforced concrete piles
CH49535A
(en )
1911-03-01
Reinforced concrete I-beams for the production of ceilings with cavities
CH73981A
(en )
1916-12-16
Process for the production of doors from reinforced concrete
CH71431A
(en )
1916-01-03
Process for the production of doors from reinforced concrete
CH63952A
(en )
1914-03-02
Process for the production of hollow ceilings from concrete or reinforced concrete, with attached plaster ceiling
CH50318A
(en )
1911-05-16
Process for the production of reinforced concrete floors
CH47074A
(en )
1910-05-16
Process for the production of hollow spherical containers from concrete
CH66966A
(en )
1914-11-02
Process for the production of homogeneous pressed concrete piles
CH43274A
(en )
1909-04-16
Process for the production of building structures
CH49534A
(en )
1911-02-16
Process for the production of porous building blocks
CH49081A
(en )
1911-01-02
Process for the production of reinforced concrete floors
CH48933A
(en )
1910-12-16
Process for the manufacture of reinforced cladding for ceilings and walls
CH61634A
(en )
1913-10-16
Device and method for the production of reinforced concrete hollow stone ceilings
CH61633A
(en )
1913-10-01
Process for the production of ceiling formwork
CH49382A
(en )
1911-02-01
Process for the production of magnesia cement
CH55154A
(en )
1912-07-16
Process for the production of concrete beams with cavities
CH39693A
(en )
1908-04-01
Shaped stone for the production of reinforced ceilings
CH56769A
(en )
1912-11-16
Reinforced concrete beams for making ceilings
CH49756A
(en )
1911-03-16
Process for the production of calcium carbide fittings
CH60699A
(en )
1913-08-01
Ceiling block for the production of reinforced concrete solid ceilings
CH62274A
(en )
1913-11-17
Process for the production of hollow bodies from concrete