DK75761C
(en )
1953-04-27
Concrete building element in the form of a beam intended for embedding in concrete structures.
FR987167A
(en )
1951-08-09
building element
DK77108C
(en )
1954-02-15
Reinforcement for prestressing concrete.
DK79236C
(en )
1955-05-09
Concrete joist layer.
DK58321C
(en )
1941-01-06
Impregnating agent for Masonry, Sandstone, Plaster or precast Concrete.
DK80605C
(en )
1956-02-27
Concrete roofing sheet.
DK78921C
(en )
1955-02-28
Machine for making concrete pipes.
DK74127C
(en )
1952-05-05
Building stone forming machine.
ES17783Y
(en )
1949-03-01
Concrete block for precast buildings.
ES22017Y
(en )
1950-06-01
Precast reinforced concrete beam, especially for terraces.
DK81365C
(en )
1956-07-16
Method for producing a rust-protective layer on rebar intended for casting in concrete.
FR995129A
(en )
1951-11-28
building element
DK73149C
(en )
1951-10-01
Method for manufacturing building blocks.
DK74543C
(en )
1952-08-11
Method for manufacturing building boards.
DK71136C
(en )
1950-06-19
Reinforced ceiling slab of wood concrete.
DK83970C
(en )
1957-12-02
Building element of reinforced concrete.
DK80403C
(en )
1956-01-09
Apparatus for determining the consistency of plastic masses, preferably mortar or concrete mixtures.
DK80683C
(en )
1956-03-12
Method of manufacturing rebar for concrete structures and machine for carrying out the method.
DK75168C
(en )
1952-12-22
Reinforced concrete sleeper.
ES21202Y
(en )
1950-08-16
Precast reinforced concrete beam.
CH272175A
(en )
1950-12-15
Building construction block.
FR1026196A
(en )
1953-04-24
pre-stressed reinforced concrete construction element, and method for its manufacture
ES16748Y
(en )
1948-07-16
Reinforced concrete joist.
FR953286A
(en )
1949-12-02
prefabricated reinforced concrete element for buildings
DK76145C
(en )
1953-07-20
Block of concrete or natural stone for the construction of such structures of stacked blocks, which are exposed to moving water.