DK44672C
(en )
1931-10-05
Procedure and Device for Manufacturing Cast Asphalt and Hard Asphalt Pavements.
DK47916C
(en )
1933-10-23
Procedure for Making Resitols.
DK44363C
(en )
1931-07-20
Procedure and device for paving roads or other surfaces with asphalt and sand or similar.
DK38981C
(en )
1928-07-09
Machine for Spreading Asphalt and Tar.
ES117168A1
(en )
1930-04-01
Pavement construction procedure.
FR717239A
(en )
1932-01-05
Concrete paving
DK45009C
(en )
1931-12-21
Measuring device for party games.
DK40465C
(en )
1929-07-15
Procedure for Impregnation of Macadamized Roads and Streets.
ES117229A1
(en )
1930-04-01
Improvements in bituminous pavements.
ES107367A1
(en )
1928-08-16
Concrete pavement and boulder.
DK44620C
(en )
1931-09-21
Procedure for the manufacture of solid, bituminous pavements for roadways, railway superstructures and the like.
DK45246C
(en )
1932-02-15
Device for rapid salting.
DK46548C
(en )
1932-11-28
Brake Cross Shaft and Procedure for Forming It.
FR689688A
(en )
1930-09-10
element for terraces
DK47287C
(en )
1933-05-01
Procedure for Making Resitols.
DK44002C
(en )
1931-04-13
Procedure for Manufacturing Artificial Asphalt.
FR697504A
(en )
1931-01-19
Removable paving
DK40237C
(en )
1929-06-03
Device for Plowing and Leveling Weather Discounts.
DK44534C
(en )
1931-08-31
Method and Device for Manufacturing Ceramic Objects.
DK39199C
(en )
1928-09-03
Apparatus for Spreading Tar and Asphalt.
DK45431C
(en )
1932-03-21
Procedure for Manufacturing Road Pavements by the Penetration Method.
ES119342A1
(en )
1930-09-16
A new paving procedure.
ES120755A3
(en )
1931-02-01
A new paving procedure.
DK46802C
(en )
1933-01-23
Method and Device for Making Emulsions.
ES117556A3
(en )
1930-05-01
An improvement in the manufacture of asphalt tiles for paving.