DK46761C
(en )
1933-01-16
Procedure for Making Yeast.
DK39693C
(en )
1929-01-07
Construction method, especially for the construction of heavy exterior walls of hollow brick.
DK44507C
(en )
1931-08-17
Procedure for the Production of Vanillin.
DK41195C
(en )
1929-12-02
Procedure for Manufacturing Wall Tiles.
DK40096C
(en )
1929-04-29
Procedure for Improving the Hydraulic Properties of Portland Elements.
DK40083C
(en )
1929-04-29
Method for the manufacture of single- or multi-storey ironwork walls.
DK42088C
(en )
1930-04-22
Method for the production of solid, porous insulation materials.
DK39311C
(en )
1928-10-01
Procedure for the production of cement concrete mixtures.
DK33702C
(en )
1924-09-29
Casting for the manufacture of cement windows.
GR1374B
(en )
1926-12-30
METHOD FOR THE MANUFACTURE OF PERPOSE BUILDING MATERIALS.
ES111940A1
(en )
1929-05-16
New procedure for the construction of reinforced concrete roof-floors.
ES104519A1
(en )
1927-12-01
A process for the manufacture of special bricks, intended for the construction of simple partitions.
ES82073A1
(en )
1922-12-01
Hollow brick, cement.
DK42909C
(en )
1930-09-08
Procedure for the production of clichés.
DK39344C
(en )
1928-10-08
Hollow Canal Stone for Masonry of Gruekedler.
DK45235C
(en )
1932-02-15
Procedure for Manufacturing Bricks.
DK38549C
(en )
1928-03-12
Procedure for the Production of Dioxyacetone.
DK38779C
(en )
1928-05-21
Procedure for the Production of Arsenobenzols.
DK47188C
(en )
1933-04-10
Procedure for the production of yeast by the aeration method.
DK38075C
(en )
1927-10-24
Procedure for the production of cement.
DK41392C
(en )
1929-12-30
Process for the Preparation of Spreadable Nitrophosphates.
DK42057C
(en )
1930-04-14
Process for the Preparation of Spreadable Nitrophosphates.
DK43268C
(en )
1930-10-27
Process for the Preparation of Spreadable Nitrophosphates.
DK38293C
(en )
1927-12-27
Process for the Preparation of Complex Aurothiosulfate Compounds.
DK47401C
(en )
1933-06-06
Procedure for the production of vitamin-containing beer.