DK39312C
(en )
1928-10-01
Method for Making Labile Bitumen Emulsions.
DK42056C
(en )
1930-04-14
Method for Preparing Bituminous Emulsions.
CH121051A
(en )
1927-06-16
Slotted insert rail for concrete structures.
DK43112C
(en )
1930-10-06
Method for Preparing Bituminous Emulsions.
DK39323C
(en )
1928-10-01
Method for Manufacturing Bituminous Concrete.
DK36948C
(en )
1926-12-27
Method for Preparing an Aqueous Bituminous Emulsion.
DK41972C
(en )
1930-04-07
Machine for Making Emulsions.
DK37421C
(en )
1927-05-02
Method for Preparing an Aqueous, Bituminous Emulsion.
DK38277C
(en )
1927-12-27
Procedure for Making Durable Diazocopy Paper.
ES112163A1
(en )
1929-06-16
A process for manufacturing emulsions of bituminous substances.
DK37285C
(en )
1927-03-28
Baandmaal til Maaling af Svin.
DK42756C
(en )
1930-08-18
Emulsifier, in particular for the preparation of bitumen-containing emulsions for road treatment.
GR1191B
(en )
1926-06-02
ELECTROPhotography METHOD.
DK42950C
(en )
1930-09-15
Procedure for the production of bituminous paper.
DK42109C
(en )
1930-04-22
Scraper for Roads.
GR1370B
(en )
1926-12-21
METHOD BY - VIEWING - PHOTOGRAPHY.
DK32557C
(en )
1923-11-26
Procedure for Cracking Hydrocarbons.
DK38162C
(en )
1927-11-21
Procedure for Blowing out Slit Cylinders.
ES97783A3
(en )
1926-06-16
A method of producing bituminous emulsions.
GR1368B
(en )
1926-12-16
UNDERGROUND FLOW DETERMINATION METHOD.
ES112752A1
(en )
1929-07-01
A process for the manufacture of asphalt emulsions.
ES92590A1
(en )
1925-05-16
An improved process for the preparation of bituminous emulsions.
ES92760A1
(en )
1925-06-01
An improved process for the preparation of bituminous emulsions.
DK38572C
(en )
1928-03-19
Procedure for refining coffee.
DK36104C
(en )
1926-06-14
Liquid Bitumen Pouring Machine or similar.