DK54708C
(en )
1938-05-09
Method for bituminous surface treatment of roads and for the production of bituminous paving materials.
DK58745C
(en )
1941-06-09
Method for bituminous surface treatment of roads and for the production of bituminous paving materials.
DK49296C
(en )
1934-09-24
Method for Manufacturing a Bituminous Pavement Material.
DK44700C
(en )
1931-10-12
Emulsion of refined coal tar for the treatment of road surfaces and for road paving materials and the method of its manufacture.
SU9965A1
(en )
1929-06-29
The method of obtaining asphalt bitumen from such containing sandstones
DK54103C
(en )
1938-01-03
Procedure for surface treatment of streets, roads, sidewalks and floor coverings of all kinds.
ES131731A3
(en )
1933-11-01
A method of paving roads and the like.
FR799990A
(en )
1936-06-24
Paving stone
ES140673A1
(en )
1936-05-16
Procedure for the construction of pavements or concrete roads.
DK53319C
(en )
1937-07-12
Procedure for the manufacture of a material intended in particular for road pavements.
GR3101B
(en )
1931-02-18
PERFECTIONS IN THE COVERING OF ASPHALT ROADS.
DK51118C
(en )
1936-01-06
Method for the manufacture of solid adhesive bituminous coatings on asphalt, cement and similar hard road coatings.
ES141241A1
(en )
1936-06-01
A procedure for the construction of road surfaces and pavements in general.
FI15618A
(en )
1934-01-19
Method for preventing the formation of asphalt in petrol
ES127033A1
(en )
1932-07-16
Improvements in the construction of pavements or roads.
DK55833C
(en )
1939-02-13
Procedure for counteracting ice formation in or on bituminous paving materials.
DK42754C
(en )
1930-08-18
Method for Treatment of Bituminous Coatings for Roads.
DK53813C
(en )
1937-11-01
Procedure for the production of a cold-laid road surface.
DK56834C
(en )
1939-10-23
Method and Apparatus for the Production of Road Strips in Asphalt Pavement.
DK50621C
(en )
1935-09-02
Method for Manufacturing Concrete Roads.
DK71842C
(en )
1950-12-11
Method for cold production of a material for paving roads.
GR8807B
(en )
1940-02-26
METHOD OF MANUFACTURING ASPHALT PRODUCTS FOR THE CONSTRUCTION OF ROADS AND Pavements.
ES137889A1
(en )
1935-08-16
Perfeccionamientos in machines for the construction of road and roads.
FR729276A
(en )
1932-07-21
Concrete pavement
CH207469A
(en )
1939-11-15
Process for the manufacture of surface-colored road surfacing or other building material.