DK46143C
(en )
1932-09-05
Method for Manufacturing Bladder Concrete.
CH189342A
(en )
1937-02-28
U-shaped shuttering block for concrete structures.
DK43764C
(en )
1931-02-23
Method for Manufacturing Porous Concrete.
DK47916C
(en )
1933-10-23
Procedure for Making Resitols.
DK45583C
(en )
1932-04-25
Method of Manufacturing Hydraulic Cement.
DK39323C
(en )
1928-10-01
Method for Manufacturing Bituminous Concrete.
DK43696C
(en )
1931-02-09
Method of Manufacturing Concrete.
DK35324C
(en )
1925-11-30
Method for Manufacturing Porous Concrete.
DK49240C
(en )
1934-09-10
Method for Manufacturing Reinforced Concrete Structures.
DK50621C
(en )
1935-09-02
Method for Manufacturing Concrete Roads.
DK52896C
(en )
1937-03-30
Method of Manufacturing Concrete.
DK51672C
(en )
1936-05-25
Method for Manufacturing Reinforced Concrete Structures.
DK45135C
(en )
1932-01-25
Method for Manufacturing Wooden Objects.
DK43542C
(en )
1930-12-29
Figure for Making Patterns.
DK47256C
(en )
1933-04-24
Method of Manufacturing Hydraulic Cement.
DK46680C
(en )
1932-12-27
Method of Making a Sealant.
DK42058C
(en )
1930-04-14
Method for Manufacturing a Flooring.
ES117788A1
(en )
1930-05-16
A construction procedure for masonry, concrete or other works.
DK47287C
(en )
1933-05-01
Procedure for Making Resitols.
DK36165C
(en )
1926-06-28
Device for Forcing the Column Forms in Reinforced Concrete Building.
ES117919A1
(en )
1930-06-01
A new reinforcement for concrete columns.
DK45671C
(en )
1932-05-17
Method for Manufacturing Solid Carbon Blocks.
DK47994C
(en )
1933-11-06
Method for Manufacturing Cement, Cement Mortar and Concrete.
DK40119C
(en )
1929-05-06
Method for Manufacturing Porous Building Materials.
DK44002C
(en )
1931-04-13
Procedure for Manufacturing Artificial Asphalt.