DK56213C
(en )
1939-05-22
Procedure for Manufacturing Asbestos Cement Pipes.
FR837937A
(en )
1939-02-23
Concrete pipe
DK55520C
(en )
1938-11-28
Procedure for the manufacture of gypsum evacuation pipes.
DK57085C
(en )
1939-12-27
Procedure for Manufacturing Masonry.
DK57402C
(en )
1940-03-18
Procedure for Manufacturing Building Materials.
DK54403C
(en )
1938-02-28
Procedure for the manufacture of shaped articles of asbestos cement.
DK61570C
(en )
1943-11-15
Procedure for Manufacturing Electric Discharge Pipes.
DK57354C
(en )
1940-03-11
Procedure for Mercury Benzol.
DK49582C
(en )
1934-11-26
Procedure for Manufacturing Gaskets.
DK52912C
(en )
1937-04-05
Procedure for Manufacturing Reinforced Masonry.
DK62652C
(en )
1944-09-04
Procedure for the manufacture of building boards with intermediate layers.
DK55811C
(en )
1939-02-13
Process for the Preparation of 2-Methyl-4-amino-5-cyanopyrimidine.
IE15030L
(en )
1938-09-03
Asbestos cement pipes
DK54460C
(en )
1938-03-14
Procedure for soldering pipes.
DK58116C
(en )
1940-10-28
Procedure for Making Enamel.
DK55976C
(en )
1939-03-27
Procedure for the Production of Aneurin.
DK56249C
(en )
1939-06-06
Procedure for the Production of Aneurin.
DK58343C
(en )
1941-01-20
Procedure for the manufacture of textile materials.
DK55864C
(en )
1939-02-20
Procedure for Manufacturing Cross Coils.
DK57779C
(en )
1940-07-08
Procedure for the manufacture of pipes, sheets and similar workpieces of mixtures of slag wool fibers and cement.
DK58999C
(en )
1941-09-01
Pipe stamping machine for the production of concrete pipes.
DK50242C
(en )
1935-05-13
Procedure for the manufacture of insulation boards of pipes.
DK59289C
(en )
1941-12-08
Procedure for Cladding Plasterers.
DK54528C
(en )
1938-03-28
Procedure for Manufacturing a Door for Residential Properties.
DK66371C
(en )
1948-03-01
Process for the Preparation of Oxyketones of the Cyclopentanopolyhydrophenanthene Series.