DK54188C
(en )
1938-01-17
Threadless Pipe Connection.
DK54964C
(en )
1938-07-11
Procedure for Increasing the Corrosion Resistance of Aluminum Alloys.
DK52459C
(en )
1936-12-21
Procedure for Increasing the Corrosion Resistance of Aluminum Alloys.
DK54545C
(en )
1938-04-04
Process for the Preparation of 2,4-Dioxo-3,3-dialkyltetrahydropyridines.
DK53768C
(en )
1937-10-25
Metal Particles for the Manufacture of Tandamalgal Alloys and Methods for the Manufacture of Particles.
ES144485A1
(en )
1939-11-01
Procedure to prevent corrosion of metal parts of cooling or heating systems that conduct water.
ES139300A1
(en )
1935-11-16
Improvements in the construction systems of metal closures.
DK49230C
(en )
1934-09-10
Arrangement of Expansion Tanks at Heat Piping Systems.
DK54865C
(en )
1938-06-13
Procedure for the manufacture of iron or steel straps.
DK53192C
(en )
1937-06-07
Separate Metal Ship Chamber.
DK48436C
(en )
1934-02-26
Procedure for Cooling or Freezing and Cooling or Freezing Chamber for Carrying Out the Procedure.
ES127297A1
(en )
1932-08-16
Arrangement for the extinction of short circuits or ignition of recoil in rectifier installations.
DK46111C
(en )
1932-08-29
Method for Treating Metal Surfaces to Prevent Corrosion.
ES142227A1
(en )
1936-08-16
Procedure for the purification of metallic magnesium or its alloys.
DK54672C
(en )
1938-05-02
Cooling element for Refrigerators installed in Refrigerators or Cooling rooms.
ES138509A1
(en )
1935-09-01
Improvements in the construction of chimneys for economic kitchens.
DK54460C
(en )
1938-03-14
Procedure for soldering pipes.
FR798446A
(en )
1936-05-16
Improvements in the protection of metal surfaces against corrosion
ES139648A3
(en )
1935-12-01
Procedure for heating or cooling an exchange and installation surface for the implementation of this procedure.
DK59701C
(en )
1942-04-27
Process for the preparation of alkaline earth metal keratinates from keratinic acids or their salts.
ES139925A3
(en )
1936-01-01
Improvements in the construction of radiators for heating.
DK48091C
(en )
1933-12-04
Automatic Firearm with short Return of the Pipe.
DK56814C
(en )
1939-10-16
Galvanizing Procedure.
DK55274C
(en )
1938-09-26
Renovation plant for Ships.
DK54706C
(en )
1938-05-09
Procedure for the Preparation of 2.4.6.-Triamino-1.3.5.-Triazine.