DK77732C
(en )
1954-06-28
Device for concrete structures, in particular self-supporting roofs.
NL162705B
(en )
CROSS-RIBBED CONCRETE STEEL.
FR980596A
(en )
1951-05-15
Demountable reinforced concrete bench
FR1077314A
(en )
1954-11-05
adjustable prop for formwork, scaffolding, etc.
DK75520C
(en )
1953-03-02
Concrete block for building walls in containers.
ES19755Y
(en )
1949-11-01
Improved concrete mixer truck.
ES19231Y
(en )
1949-07-01
Roof tile for construction.
FR1010300A
(en )
1952-06-09
Concrete hourdis
DK72711C
(en )
1951-07-02
Device by grandstands.
DK75168C
(en )
1952-12-22
Reinforced concrete sleeper.
CH266846A
(en )
1950-02-28
Clamping device for concrete formwork.
ES16848Y
(en )
1948-12-16
Reinforced concrete beam for roofs.
DK77530C
(en )
1954-05-10
Support structure for formwork for concrete structures, in particular floor separations.
GR12185B
(en )
1949-09-30
REINFORCED CEMENT PIPES.
ES22510Y
(en )
1951-02-16
Improved concrete mixer truck.
DK78053C
(en )
1954-08-30
Mixer, especially for concrete.
FR1003410A
(en )
1952-03-18
Reinforced concrete dome
DK80605C
(en )
1956-02-27
Concrete roofing sheet.
FR59239E
(en )
1954-05-06
Reinforced concrete fireplace
FR972241A
(en )
1951-01-26
Complex beam, reinforced concrete
DK77108C
(en )
1954-02-15
Reinforcement for prestressing concrete.
FR1000879A
(en )
1952-02-18
Reinforced concrete slab
DK73291C
(en )
1951-10-29
Device for foundation slabs.
AT169372B
(en )
1951-11-10
Small mixers, in particular concrete mixers
ES19513Y
(en )
1949-10-16
Ramada roof joist.