DK26454C
(en )
1920-08-16
Walls of Concrete Slabs and the like.
CA184104A
(en )
1918-05-07
Concrete slab
DK29255C
(en )
1922-01-30
System for the construction of concrete walls and the like and stones therefor.
FR497413A
(en )
1919-12-05
Interlocking building bricks
DK23835C
(en )
1918-12-09
Device for building stones for the construction of walls with continuous vertical and vertical channels.
DK27168C
(en )
1921-02-14
Floor separation or Roofing of Concrete Slabs and the like.
DK25945C
(en )
1920-05-10
Building stone.
CH83446A
(en )
1919-12-01
Building construction
DK28657C
(en )
1921-10-24
Procedure for the construction of reinforced concrete vessels and the like.
DK23388C
(en )
1918-08-19
Building slab of Concrete.
DK29845C
(en )
1922-07-03
Additive that makes Mortar, Cement, Concrete and the like waterproof.
DK29197C
(en )
1922-01-23
Machine for the manufacture of pipes of cement and the like.
DK28415C
(en )
1921-09-12
Reinforced concrete building element.
DK25182C
(en )
1919-11-03
Procedure for the manufacture of concrete for shipbuilding and the like.
FR487949A
(en )
1918-08-07
Reinforced concrete slabs
FR490259A
(en )
1919-04-15
Reinforced cement construction
DK26968C
(en )
1920-11-29
Double stone for the manufacture of walls.
DK22240C
(en )
1917-07-09
Building wall and dedicated bricks.
DK23806C
(en )
1918-12-02
Recuperator and Stone for Building of the same.
FR494192A
(en )
1919-09-02
Concrete ships
FR488458A
(en )
1918-10-15
Construction of walls in concrete elements
CH78389A
(en )
1918-08-01
Building construction
FR495352A
(en )
1919-10-07
Concrete or reinforced concrete building
ES67528A1
(en )
1918-09-01
Improvements in the manufacture of reinforced concrete structures.
DK25821C
(en )
1920-04-12
Wall and Brick for the Manufacture of the same.