SU11148A1
(en )
1929-09-30
Method for passivating iron objects that are de-rusted with acid solution
SU8712A1
(en )
1929-03-30
Clock
SU14501A1
(en )
1930-03-31
Method for extracting bromine from aqueous solutions
SU1870A1
(en )
1924-09-15
Method of preparing mercury ointment
SU23508A1
(en )
1931-10-31
Method of making paint for telegraph tapes
SU14925A1
(en )
1930-04-30
The method of obtaining carboxanilide-phenylarsinic acids
SU10394A1
(en )
1929-07-31
The method of purification of sulfuric acid salt
SU10347A1
(en )
1929-06-29
Method of making active silicic acid
SU15595A1
(en )
1930-06-30
The method of purification of salicylic acid mercury
SU10059A1
(en )
1929-06-29
Method of transferring pictures to metal for etching
SU25366A1
(en )
1932-02-29
Iron etching method
SU10926A1
(en )
1929-09-30
Phenol nitrosation method
SU8878A1
(en )
1929-04-30
The method of processing shellac
SU13025A1
(en )
1930-03-31
The method of producing fluorosilicic acid
GR1444B
(en )
1927-03-02
METHOD FOR MAKING VERY ACTIVE CARBON - TYPE - CREATURES (KOHLE - FORMLINGEN).
GR1205B
(en )
1926-06-12
METHOD FOR ACID PREPARATION.
AT116363B
(en )
1930-02-25
Sulfuric acid contact process.
CH121744A
(en )
1927-07-16
Peening machine.
GR1645B
(en )
1927-10-21
METHOD FOR PREPARATION OF AN ALKALY REACTIVATED NITROGEN FERTILIZER.
ES104447A1
(en )
1927-12-01
A process for the manufacture of alloys of the iron group.
DK33554C
(en )
1924-08-18
Kovs for Jærn- og Staaltraadstove.
ES105308A1
(en )
1928-01-16
A procedure to obtain electrolytic iron.
ES102387A3
(en )
1927-06-16
A procedure for the manufacture of turtlenecks for shirts.
DK35603C
(en )
1926-02-08
Grips for Tovpostvogne.
GR3024B
(en )
1930-12-08
METHOD FOR SEPARATION OF SULFUR FROM THE VARIOUS FEEDS BY USING SULFURIC ACID OR OTHER SOLUTIONS OF METAL SALTS.