CH61637A
(en )
1913-10-01
Hollow brick for the production of T-beams and ceilings
CH62755A
(en )
1914-02-02
process for the production of fire-proof and heat-insulating material
CH55494A
(en )
1912-09-02
Hollow bodies for the production of ceilings
CH67201A
(en )
1914-11-16
Process for the manufacture of cement asbestos bricks and the like
CH52365A
(en )
1911-11-16
Building block for the production of hollow masonry
CH54275A
(en )
1912-05-17
Form for the production of curved ceiling stones
CH61633A
(en )
1913-10-01
Process for the production of ceiling formwork
CH60699A
(en )
1913-08-01
Ceiling block for the production of reinforced concrete solid ceilings
CH65479A
(en )
1914-06-16
Stone sleeve and method of making the same
CH66062A
(en )
1914-08-01
Hollow stone for the production of hollow body slabs
CH55868A
(en )
1912-09-16
Element for the production of walls
CH61634A
(en )
1913-10-16
Device and method for the production of reinforced concrete hollow stone ceilings
CH72461A
(en )
1916-05-16
Hollow bodies for the production of reinforced concrete ceilings
CH58351A
(en )
1913-03-01
Process for the production of artificial building blocks
CH60919A
(en )
1913-08-16
Process and box for the production of cork insulating bricks and structural components
CH63782A
(en )
1914-02-16
Device for the production of artificial building blocks
CH68126A
(en )
1915-02-16
Shaped stone for the production of reinforced hollow concrete ceilings
CH66672A
(en )
1914-10-01
Form for the production of concrete workpieces and the like.
CH78049A
(en )
1918-10-01
Reinforced concrete ceiling and method of making the same
CH55865A
(en )
1912-09-16
Process for the production of rollable plaster bases
CH56979A
(en )
1912-12-02
Beam-shaped building made of concrete for the production of ceilings and walls
CH55154A
(en )
1912-07-16
Process for the production of concrete beams with cavities
CH63502A
(en )
1914-02-02
Process for the manufacture of radiators
CH64415A
(en )
1914-04-01
Formwork device for the production of concrete structures
AT63552B
(en )
1914-02-25
Method and device for the production of malt.