DK39311C
(en )
1928-10-01
Procedure for the production of cement concrete mixtures.
DK38075C
(en )
1927-10-24
Procedure for the production of cement.
DK38843C
(en )
1928-06-04
Procedure for the production of paving.
GR1374B
(en )
1926-12-30
METHOD FOR THE MANUFACTURE OF PERPOSE BUILDING MATERIALS.
DK37659C
(en )
1927-07-04
Method of Making Cement.
FR616885A
(en )
1927-02-09
Stone for the building
FR625005A
(en )
1927-08-01
Reinforced concrete slab
FR611374A
(en )
1926-09-27
Machine for the manufacture of rubble for building construction
FI10487A
(en )
1925-01-09
Reinforced concrete brick
DK38562C
(en )
1928-03-19
Cement brick machine.
DK43621C
(en )
1931-01-26
Procedure for the manufacture of cement roof tiles.
DK38548C
(en )
1928-03-12
Process for the Preparation of 1-Amino-3-dialkylamino-2-propanols.
DK38549C
(en )
1928-03-12
Procedure for the Production of Dioxyacetone.
DK38779C
(en )
1928-05-21
Procedure for the Production of Arsenobenzols.
DK35216C
(en )
1925-11-02
Framework of Beams of Cement Concrete.
DK40096C
(en )
1929-04-29
Procedure for Improving the Hydraulic Properties of Portland Elements.
DK39173C
(en )
1928-08-27
Procedure for the production of aluminum compounds.
AT113203B
(en )
1929-05-10
Formwork for the production of the concrete support ribs of space-enclosing components formed by glass bodies
ES110264A3
(en )
1928-12-16
A perfected procedure for the manufacture of cement concrete.
FI10231A
(en )
1924-05-22
Reinforced concrete perforated brick
DK33702C
(en )
1924-09-29
Casting for the manufacture of cement windows.
DK38660C
(en )
1928-04-10
Process for the preparation of asymmetrically N-substituted 1-3-Diamino-2-propanols.
FR624967A
(en )
1927-07-30
Reinforced concrete slab
DK44084C
(en )
1931-05-04
Procedure for the manufacture of reinforced concrete articles.
DK41963C
(en )
1930-03-31
Procedure for the Manufacture of Pavement Material.