AT165398B
(en )
1950-02-25
Extruded cell roof tiles and stirrups for storm-proof anchoring
FR985617A
(en )
1951-07-20
Welded truss roof truss
AT171017B
(en )
1952-04-25
Concrete roof tiles with metal skin
FR978312A
(en )
1951-04-12
Metal roof tile
CH384838A
(en )
1965-02-26
Roof battens to hold the tiles
AT179069B
(en )
1954-07-10
Roofing elements for the continuous covering of roof ridges
FR1008735A
(en )
1952-05-21
Roofing
AU148948B2
(en )
1951-11-01
Improvements in shuttering for use inthe construction of concrete roofs, floors, andthe like
FR973492A
(en )
1951-02-12
Arched concrete structure
AU20451A
(en )
1951-11-01
Improvements in shuttering for use inthe construction of concrete roofs, floors, andthe like
FR990000A
(en )
1951-09-17
Metal roof tile
FR977179A
(en )
1951-03-28
building elements
FR983836A
(en )
1951-06-28
Roof structure
FR65005E
(en )
1956-01-25
building elements
FR1034117A
(en )
1953-07-20
Prefabricated reinforced concrete building
FR1017143A
(en )
1952-12-02
Improvements to channels, gutters and downspouts
ES212815A1
(en )
1954-04-01
IMPROVEMENTS IN THE CONSTRUCTION OF BUILDING AND ROOF COVERINGS
AT179068B
(en )
1954-07-10
Roofing element for the continuous covering of roof valleys
AT170397B
(en )
1952-02-11
Double roof tiles and tile roof made from this
AU141699B2
(en )
1948-01-15
Pitched roof construction made from concrete orthe like material
CA459572A
(en )
1949-09-13
Pitched roof construction made from concrete or the like material
AT167950B
(en )
1951-03-27
Roof tiles
AU149361B2
(en )
1951-06-21
Improvements relating to joists and stanchions tor use inv building
GR14416B
(en )
1953-05-08
CONSTRUCTION SYSTEM OF WATERPROOFING CEMENT STONES AND WATERPROOFING TILES FOR ROOF INSULATION.
ES25523Y
(en )
1953-05-01
Roof tile