CH52365A
(en )
1911-11-16
Building block for the production of hollow masonry
CH55494A
(en )
1912-09-02
Hollow bodies for the production of ceilings
CH51904A
(en )
1911-10-02
Composable and extendable formwork wall for the production of seamless walls
CH54969A
(en )
1912-07-01
Process for the production of seamless partition walls
CH47907A
(en )
1910-08-16
Formwork scaffolding for the production of walls from rammed earth
CH49081A
(en )
1911-01-02
Process for the production of reinforced concrete floors
CH52115A
(en )
1911-11-01
Process for the production of celluloid-like masses
CH53033A
(en )
1912-01-16
Process for the production of engobed machine bricks
AT52445B
(en )
1912-02-26
Forming machine for the production of hollow concrete and similar building blocks.
CH55865A
(en )
1912-09-16
Process for the production of rollable plaster bases
CH53838A
(en )
1912-04-01
Process for the production of liquid luminous gas
CH55868A
(en )
1912-09-16
Element for the production of walls
CH41726A
(en )
1908-11-16
Formwork scaffolding for the production of partition walls
AT53130B
(en )
1912-04-25
Process for the manufacture of manhole linings.
CH52509A
(en )
Process for the production of oxygen baths
CH52190A
(en )
1911-11-01
Process for the production of oxygen baths
CH61633A
(en )
1913-10-01
Process for the production of ceiling formwork
CH63494A
(en )
1914-02-02
Process for the production of components
CH50318A
(en )
1911-05-16
Process for the production of reinforced concrete floors
FR423136A
(en )
1911-04-08
Removable scaffolding
AT75547B
(en )
1919-02-25
Process for the production of disinfectants.
AT87421B
(en )
1922-02-25
Process for the electrolytic production of alkali perborate.
CH54275A
(en )
1912-05-17
Form for the production of curved ceiling stones
CH54751A
(en )
1912-06-17
Machine for the production of insulating sleeves
CH65685A
(en )
1914-07-01
Process for the production of rammed asphalt