FR661071A
(en )
1929-07-20
Prosthetic foot
SU23754A1
(en )
1931-10-31
Method of making caramel
SU23523A1
(en )
1931-10-31
The method of hydrogenation of fats
SU26018A1
(en )
1932-04-30
Method of making artificial fiber
SU14199A1
(en )
1930-03-31
Needle needle profilograph
SU23062A1
(en )
1931-09-30
Method of making stamps
SU12166A1
(en )
1929-12-31
Method for producing butyric acid
SU25034A1
(en )
1932-01-31
A method of manufacturing a paul ointment
SU26029A1
(en )
1932-04-30
The method of preparation of laminated glass
SU46545A1
(en )
1936-04-30
The method of obtaining sulfur from gypsum
SU15285A1
(en )
1930-05-31
The method of obtaining terpingidrata
SU14223A1
(en )
1930-03-31
The method of preparation of rosin-cement insulating mass
SU20166A1
(en )
1931-04-30
Method of making electrical resistances
SU19997A1
(en )
1931-03-31
Method of making porous masses
SU18633A1
(en )
1930-11-30
Puncturer
SU20645A1
(en )
1931-05-31
The method of obtaining diazo compounds from paraaminoresorcin
SU28326A1
(en )
1932-11-30
The method of producing aluminum
SU50860A1
(en )
1936-11-30
The method of obtaining lithographic drying oil
SU3993A1
(en )
1927-11-30
Method of making printing forms
GR2074B
(en )
1928-12-10
METHOD OF MAKING TSAROUCHI.
GR1931B
(en )
1928-08-06
METHOD FOR THE MANUFACTURE OF PRINTING INSTRUMENTS.
AT108191B
(en )
1927-12-10
Suspension shoe.
DK42548C
(en )
1930-07-07
Procedure for making Ergosterin durable.
GR1500B
(en )
1927-05-14
Caramel color.
GR1938B
(en )
1928-08-10
METHOD FOR REFINERATION OF RAW TOBACCO.