AT116389B
(en )
1930-02-25
Process for increasing the water resistance of clay gravel roads impregnated with coal tar emulsions.
SU9965A1
(en )
1929-06-29
The method of obtaining asphalt bitumen from such containing sandstones
AT127002B
(en )
1932-02-25
Process for the production of bitumen emulsions for road construction purposes.
FR611675A
(en )
1926-10-08
Improvements made to road surfaces, pavements, etc.
CH131535A
(en )
1929-02-28
Process for impregnating unpaved roads.
AU1358328A
(en )
1929-04-23
An improved method of constructing asphaltic or bituminous concrete roads, paths andthe like
ES107976A3
(en )
1928-08-01
An improved procedure for the construction of bituminous composition pavements.
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.
DK46998C
(en )
1933-02-27
Pavement mass for Road Paving or other Purpose.
ES124754A1
(en )
1932-01-01
An elevator-melter for tar and asphalt bitumen, for paving and other uses.
DK39162C
(en )
1928-08-27
Method for making an asphalt-like coating for roads or the like.
DK44937C
(en )
1931-11-30
Pavement mass for road paving or other purposes as well as method for mass production.
DK42754C
(en )
1930-08-18
Method for Treatment of Bituminous Coatings for Roads.
AT127000B
(en )
1932-02-25
Process for improving bituminous masses.
DK42109C
(en )
1930-04-22
Scraper for Roads.
DK44046C
(en )
1931-04-27
Organic binder and wear layer for roads.
ES118710A1
(en )
1930-07-16
Improvements in the method of treating petroleum hydrocarbons.
ES111899A2
(en )
1929-07-01
A procedure to improve the masses of bitumen and asphalt, whether or not added with tar.
DK54708C
(en )
1938-05-09
Method for bituminous surface treatment of roads and for the production of bituminous paving materials.
DK42056C
(en )
1930-04-14
Method for Preparing Bituminous Emulsions.
ES99487A1
(en )
1926-11-16
A procedure for improving pavements paved with carved or unworked stone, through the use of tars, asphalt bitumens or asphalt emulsions.
DK39312C
(en )
1928-10-01
Method for Making Labile Bitumen Emulsions.
ES110837A1
(en )
1929-03-01
Paved pavement.
ES111894A1
(en )
1929-05-16
A procedure to improve the bitumen and asphalt masses, whether or not tar added.
AT121533B
(en )
1931-02-25
Method for lining the inner surfaces of liquid containers with bitumen, resin, wax compounds or the like.