CH256523A
(en )
1948-08-31
Procedure for lubricating bearings.
CH212466A
(en )
1940-11-30
Timer for steel tone machine.
CH216669A
(en )
1941-09-15
Iron.
CH220347A
(en )
1942-03-31
Process for the preparation of 6- (p-aminobenzenesulfonyl) -amino-2,4-dimethylpyrimidine.
GR7759B
(en )
1938-11-05
METHOD OF HARDENING OF IRONS, IRON STEEL OR STEEL OBJECTS OF ALL KINDS.
CH232169A
(en )
1944-05-15
Method of brazing steel parts.
CH214204A
(en )
1941-04-15
Procedure for keying directional transmitters.
SU47048A1
(en )
1936-05-31
The method of cleaning sand from iron compounds
SU75302A1
(en )
1948-11-30
Method for nitriding steel products
SU52948A1
(en )
1938-04-30
Method of heat treatment of hypoeutectoid steel
SU52400A1
(en )
1938-01-31
Method of painting metal surfaces
SU53785A1
(en )
1938-08-31
The method of obtaining neosalvarsana
SU54514A1
(en )
1938-11-30
The method of obtaining acid-resistant layer on the surface of cast iron or steel
GR7714B
(en )
1938-10-17
METHOD OF HARDENING COMMON IRON BY CHEMICAL COMPOUNDS.
DK68696C
(en )
1949-03-07
Process for phosphating iron and steel.
CH213620A
(en )
1941-02-28
Process to prevent scale formation on iron workpieces.
DK53964C
(en )
1937-12-06
Procedure for hardening iron and steel objects.
CH262354A
(en )
1949-06-30
Process for polishing metal objects.
GR7115B
(en )
1938-02-01
IRON Plow.
ES146388A1
(en )
1941-01-01
An iron concrete beam.
DK79760C
(en )
1955-08-22
Solution for the production of phosphate coatings, in particular on iron and steel, and methods for supplementing them.
GR7977B
(en )
1939-02-10
THERMAL METHOD OF TREATMENT OF IRON RESOURCES BY REDUCTION.
DK59523C
(en )
1942-03-02
Non-austenitic steel alloy.
DK59801C
(en )
1942-05-26
Steel alloy.
FR871992A
(en )
1942-05-23
Steel for structural steelwork