DK46761C
(en )
1933-01-16
Procedure for Making Yeast.
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.
DK39747C
(en )
1929-01-28
Procedure 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.
DK40884C
(en )
1929-10-07
Machine for Casting Cement bricks or similar.
DK47651C
(en )
1933-08-14
Procedure for the production of colored cement or mortar.
DK40096C
(en )
1929-04-29
Procedure for Improving the Hydraulic Properties of Portland Elements.
DK44367C
(en )
1931-07-20
Lifting bucket for concrete casting plant or similar.
DK45944C
(en )
1932-07-18
Rotary kiln system for processing wet prepared cementitious sludge.
ES117470A1
(en )
1930-06-16
Procedure for obtaining cold-enameled cement tiles.
AT112400B
(en )
1929-02-25
Drying frame for roof tiles.
DK46574C
(en )
1932-12-05
Procedure for Reinforcement of Binding Seals.
DK44561C
(en )
1931-09-07
Procedure for tanning hides.
AT116595B
(en )
1930-02-25
Interlocking roof tiles.
DK38573C
(en )
1928-03-19
Method for Making a Porous or Cellular Cement.
GR1912B
(en )
1928-07-16
NEW TYPE OF TILE CONNECTED AFTER CONCRETE BEAMS - ARME FOR THE CONSTRUCTION OF MONOLITHIC ROOFS.
ES100199A2
(en )
1927-03-01
Removable reinforced concrete constructions.
ES97085A2
(en )
1926-11-01
Removable reinforced concrete constructions.
DK39971C
(en )
1929-03-25
Procedure for Making Adjustment Spacers or the Like.
DK43413C
(en )
1930-11-24
Needle for Kopatter or similar.
DK38703C
(en )
1928-04-30
Hook for loose Suspension of slate slabs for roof or wall battens.
DK39438C
(en )
1928-11-05
Apparatus for cutting asphalt drums or the like.