CH29124A
(en )
1904-07-15
Concrete beams with iron or steel fittings
FR331848A
(en )
1903-10-03
Metal carcass for concrete ceilings and roofs
DK2999C
(en )
1900-04-30
Reinforced Hole girder of iron or steel plate.
FR338779A
(en )
1904-07-04
Metal beams and joists for construction work
CH29383A
(en )
1904-08-15
Reinforced concrete beam
CH19045A
(en )
1900-04-30
Concrete beams with iron reinforcement
DK7079C
(en )
1904-11-14
Concrete beam with iron inserts.
CH32249A
(en )
1905-07-15
Reinforced concrete beam
CH32935A
(en )
1905-09-30
Reinforced concrete beam
FR339840A
(en )
1904-06-20
Reinforced concrete floor
CH27254A
(en )
1903-12-31
Reinforced concrete floor
AT23157B
(en )
1906-02-26
Concrete beams.
FR334651A
(en )
1903-12-29
Concrete beam with iron or steel core
CH32104A
(en )
1905-07-15
Reinforcement for straight reinforced concrete beams
CH29781A
(en )
1904-09-30
Reinforced concrete construction part
FR342225A
(en )
1904-09-02
Concrete panel
FR339386A
(en )
1904-06-08
Reinforcement for reinforced concrete
FR351796A
(en )
1905-07-25
Advanced steel and concrete construction
CH23513A
(en )
1902-08-15
Innovation in iron construction
CH31705A
(en )
1905-04-30
Ceiling with iron inserts encompassing girder flanges from below
FR342081A
(en )
1904-08-26
Arched hollow brick for floors with wooden beams or iron joists
FR326027A
(en )
1903-05-14
Cement or reinforced concrete beams
CH30156A
(en )
1904-11-15
Concrete column with iron inlays
FR364260A
(en )
1906-08-18
Reinforced concrete beams and floors
CH28744A
(en )
1904-05-31
? Iron with corrugated web as an insert for concrete construction