DK40465C
(en )
1929-07-15
Procedure for Impregnation of Macadamized Roads and Streets.
FR619709A
(en )
1927-04-07
Improvements to roads, pavements and pavements
DK40237C
(en )
1929-06-03
Device for Plowing and Leveling Weather Discounts.
FR644131A
(en )
1928-10-02
Joint stone
ES102547A1
(en )
1927-07-01
A procedure for the penetration of streets and roads.
ES104970A2
(en )
1928-02-01
A procedure for the penetration of streets and roads.
GR2095B
(en )
1929-01-02
ASPHALT CLOSER OF WINERIES.
DK41481C
(en )
1930-01-20
Device for surface coating of roads, streets, floors and the like.
FR645421A
(en )
1928-10-25
Concrete pavement
DK43863C
(en )
1931-03-16
Procedure for the manufacture of the fastening layer on streets and the like.
DK43966C
(en )
1931-04-07
Procedure for the Manufacture of Pavements.
ES107367A1
(en )
1928-08-16
Concrete pavement and boulder.
DK40892C
(en )
1929-10-07
Procedure for Operation of Suspension Plants.
ES110602A1
(en )
1929-02-01
Procedure for the manufacture of tar concrete and asphalt.
DK42298C
(en )
1930-05-26
Procedure for Decomposition of Hydrocarbons.
GR2090B
(en )
1928-12-24
METHOD FOR CONSTRUCTION OF GAS CONCRETE.
DK40358C
(en )
1929-06-24
Procedure for the manufacture of pulleys and the like.
DK41963C
(en )
1930-03-31
Procedure for the Manufacture of Pavement Material.
DK42018C
(en )
1930-04-07
Interchangeable Ice Bridge for Automobile Rings and the like.
DK44121C
(en )
1931-05-18
Floating bathing establishment and procedure for operation of the same.
ES114998A1
(en )
1929-10-16
Platforms and metal transportable roads.
DK44672C
(en )
1931-10-05
Procedure and Device for Manufacturing Cast Asphalt and Hard Asphalt Pavements.
DK41797C
(en )
1930-03-10
Procedure for Extraction of Peat.
DK37285C
(en )
1927-03-28
Baandmaal til Maaling af Svin.
DK41467C
(en )
1930-01-13
Device for Assembly of Railway Rails.