CH406012A
(en )
1966-01-15
Roof tiles as a toy building element
AT188078B
(en )
1956-12-27
Tile flat roof with a sub-roof built on a concrete ceiling
CH414998A
(en )
1966-06-15
Rafter roof covered with pans
CH386085A
(en )
1964-12-31
Roof or wall cladding made of a base covered with flat asbestos-cement sheets made of board formwork covered with asphalt cardboard
CA501607A
(en )
1954-04-20
Wind resistant shingle
FR1102449A
(en )
1955-10-20
Prefabricated building panels
FI48119C
(en )
1974-06-10
Prefabricated roofing element for forming a building surface coating
FR1100691A
(en )
1955-09-22
building element
FR1098273A
(en )
1955-07-21
building element
FR1101469A
(en )
1955-10-06
building element
ES44242Y
(en )
1956-04-16
Roof tile
FR1362855A
(en )
1964-06-05
Roofing tile set
FR1114669A
(en )
1956-04-16
Improvements to double interlocking purlin tiles
AT174720B
(en )
1953-04-25
Formwork-free prefabricated ceiling with a level soffit
FR1034117A
(en )
1953-07-20
Prefabricated reinforced concrete building
AT179083B
(en )
1954-07-10
Formwork scaffolding with formwork panels
AT196600B
(en )
1958-03-25
Building element with prestressed reinforcement
CA505021A
(en )
1954-08-10
Roofing shingle
CH319474A
(en )
1957-02-28
Prefabricated facade element for buildings
FR1141830A
(en )
1957-09-09
Double-sided corrugated roof tile
FR1160922A
(en )
1958-08-13
Improvements to tiles or building panels
AT191592B
(en )
1957-09-10
Roof construction
AT268614B
(en )
1969-02-25
Support device for a roof laid inclined on a horizontal concrete ceiling
AT185086B
(en )
1956-03-26
Building board
FR1102613A
(en )
1955-10-24
Wall covering panel