FR662327A
(en )
1929-08-14
Building construction
DK43266C
(en )
1930-10-27
Especially as Formstone and Building Element for Concrete Buildings usable Cavity building stone.
DK37476C
(en )
1927-05-16
Concrete slab for building use and method for manufacturing the same.
DK41331C
(en )
1929-12-23
Procedure for the manufacture of cement, building materials, plaster and screed or of the like.
CA281600A
(en )
1928-07-10
Concrete building construction
CA279367A
(en )
1928-04-17
Concrete building
ES101366A1
(en )
1927-03-01
Cellular or foamy concrete for buildings.
DK43696C
(en )
1931-02-09
Method of Manufacturing Concrete.
ES96864A1
(en )
1926-04-01
A piece built of cement for the formation of the vaults in the floors or ceilings of the buildings.
DK35526C
(en )
1926-01-25
Cement building stone.
ES114839A1
(en )
1929-10-01
Building elements for buildings and the like.
DK43754C
(en )
1931-02-23
Building construction.
FI11752A
(en )
1927-11-08
Reinforced concrete building block
DK38031C
(en )
1927-10-10
Method and Device for Building Various Water Construction Structures.
DK47994C
(en )
1933-11-06
Method for Manufacturing Cement, Cement Mortar and Concrete.
FR686203A
(en )
1930-07-23
Building brick
ES103580A1
(en )
1927-12-01
An iron or tile for buildings.
CA269043A
(en )
1927-03-15
Concrete building
DK44807C
(en )
1931-11-09
Half-timbered building construction.
DK42012C
(en )
1930-04-07
Concrete Impregnation Procedure.
CA289862A
(en )
1929-05-21
Concrete building construction
DK42780C
(en )
1930-08-18
Building element.
ES116172A1
(en )
1930-04-01
Procedure for the construction of miradors or galleries in reinforced concrete pieces.
DK38451C
(en )
1928-02-20
Element for Manufacturing Walls in Buildings.
ES107450A2
(en )
1928-07-01
New brick or plaster block for construction.