DK72354C
(en )
1951-04-02
The metal support skeleton for building constructions.
DK70334C
(en )
1949-12-12
Mounting crane for use in the construction of silos of precast building boards.
DK71701C
(en )
1950-11-13
Building board.
FR1001318A
(en )
1952-02-22
Formwork support for building ceilings or the like
FR998498A
(en )
1952-01-18
Mixer for mortars, concrete and the like
FR1001586A
(en )
1952-02-25
auxiliary equipment for the construction of concrete ceilings
FR910399A
(en )
1946-06-05
joists for reinforced concrete floors
FR56663E
(en )
1952-10-02
building elements
FR948528A
(en )
1949-08-03
Reinforced concrete beam, precast
FR1002273A
(en )
1952-03-04
New construction elements and auxiliary construction for the realization of reinforced concrete ceilings
FR928716A
(en )
1947-12-05
Precast reinforced concrete brick
FR938121A
(en )
1948-09-06
prefabricated elements for buildings
FR1003772A
(en )
1952-03-21
Porous concrete
FR1004289A
(en )
1952-03-27
Sheet metal formwork for concrete constructions
FI25115A
(en )
1951-06-11
Procedure for the construction of reinforced concrete ceilings
FR1002072A
(en )
1952-03-03
building elements
FR1004336A
(en )
1952-03-28
Formwork for the construction of concrete buildings
FR54538E
(en )
1950-05-04
Reinforced concrete fireplace
DK68025C
(en )
1948-11-29
Load-bearing reinforced concrete construction.
DK71136C
(en )
1950-06-19
Reinforced ceiling slab of wood concrete.
FR948164A
(en )
1949-07-25
elements for shed concrete construction
DK71686C
(en )
1950-11-06
Mixer for the production of lightweight concrete.
DK71509C
(en )
1950-09-18
Porous concrete.
ES16748Y
(en )
1948-07-16
Reinforced concrete joist.
CH260038A
(en )
1949-02-28
Formwork wall for the production of concrete structures.