DK46111C
(en )
1932-08-29
Method for Treating Metal Surfaces to Prevent Corrosion.
DK48756C
(en )
1934-05-14
Means to Prevent or Remove Rust and Other Corrosion Products.
DK47824C
(en )
1933-10-02
Method for Coating Metal Surfaces.
DK45833C
(en )
1932-06-20
Method for cleaning metal surfaces.
DK46017C
(en )
1932-08-01
Procedure for Cladding Metal Bodies with Veneers.
FR736429A
(en )
1932-11-23
Temporary protection process for metal surfaces
DK55510C
(en )
1938-11-28
Method for surface treatment of metal objects.
DK40363C
(en )
1929-06-24
Method for pickling metals with associated pickling bath.
AT144774B
(en )
1936-02-25
Method for fastening sheet metal disks to pipes.
DK45193C
(en )
1932-02-08
Method of Heat Treatment of Magnetic Alloys.
FR717000A
(en )
1931-12-30
Method and installation for degreasing hides and other similar applications
DK50384C
(en )
1935-07-01
Method for Manufacturing Semi-Pyrophoric Metals.
DK49170C
(en )
1934-08-27
Plant for the production of welded pipes of strip iron.
DK51798C
(en )
1936-06-22
Metal or Insulation Bushing for Steel Pipes.
DK47612C
(en )
1933-08-07
Procedure for Treating Raw Phosphate with Nitric Acid.
ES126077A1
(en )
1932-04-16
Procedure to protect metallic surfaces against corrosion.
DK47088C
(en )
1933-03-20
Steel.
GR3872B
(en )
1932-10-31
METAL RHYSTATIST OR HYDROSTATIS.
DK54295C
(en )
1938-02-07
Method for surface treatment of iron structures.
DK47142C
(en )
1933-03-27
Method of Manufacture of Fertilizers.
AT126926B
(en )
1932-02-25
Method of manufacturing metal pipes.
DK44543C
(en )
1931-08-31
Procedure for Pickling Semen.
BE402265A
(en )
1934-04-30
Metal recovery process
DK44643C
(en )
1931-09-28
Method of Casting Metal and Casting Machine for Execution of the Method.
DK42011C
(en )
1930-04-07
Method of Hardening Copper.