DK46761C
(en )
1933-01-16
Procedure for Making Yeast.
DK39747C
(en )
1929-01-28
Procedure for dyeing cement roof tiles or similar.
FR645456A
(en )
1928-10-26
Fiber cement roof
DK36649C
(en )
1926-10-11
Means for dyeing cement roof tiles or similar.
DK38073C
(en )
1927-10-24
Means for dyeing cement roof tiles or similar.
DK43621C
(en )
1931-01-26
Procedure for the manufacture of cement roof tiles.
AT121452B
(en )
1931-02-25
Interlocking roof tiles.
DK35883C
(en )
1926-04-19
Cement roof tiles.
DK47651C
(en )
1933-08-14
Procedure for the production of colored cement or mortar.
DK40884C
(en )
1929-10-07
Machine for Casting Cement bricks or similar.
DK38833C
(en )
1928-06-04
Skylight construction for Slate roofs.
GR1912B
(en )
1928-07-16
NEW TYPE OF TILE CONNECTED AFTER CONCRETE BEAMS - ARME FOR THE CONSTRUCTION OF MONOLITHIC ROOFS.
AT116595B
(en )
1930-02-25
Interlocking roof tiles.
DK40096C
(en )
1929-04-29
Procedure for Improving the Hydraulic Properties of Portland Elements.
ES116220A1
(en )
1930-03-16
Hollow brick roof.
DK43413C
(en )
1930-11-24
Needle for Kopatter or similar.
DK41195C
(en )
1929-12-02
Procedure for Manufacturing Wall Tiles.
DK43082C
(en )
1930-09-29
Electric Stove or Tile Stove.
ES102663A1
(en )
1927-06-16
Fix tiles.
DK39553C
(en )
1928-12-03
Procedure for the manufacture of bricks or other bricks.
CH138258A
(en )
1930-02-28
Console-shaped scaffolding girder.
ES116172A1
(en )
1930-04-01
Procedure for the construction of miradors or galleries in reinforced concrete pieces.
DK42324C
(en )
1930-06-02
Procedure for Repairing Damaged Substances.
DK43822C
(en )
1931-03-09
Procedure for Making Yeast.
DK45978C
(en )
1932-07-25
Procedure for the production of white, completely or partially opaque enamels and glazes.