GR2678B
(en )
1930-03-19
METHOD FOR PREPARATION OF ESTERS.
US1830300A
(en )
1931-11-03
Method of obtaining hydroxy-phenyl-azo-alpha-alpha-diamino-pyridines
SU21584A1
(en )
1931-07-31
Method of making artificial wax
FR711153A
(en )
1931-09-04
Method of developing diazotypies
SU26395A1
(en )
1932-05-31
Method for making greases
SU28935A1
(en )
1933-01-31
Microphone
ES121190A1
(en )
1931-06-16
PROCEDURE FOR THE MANUFACTURE OF ARTIFICIAL MARBLE
FR735380A
(en )
1932-11-07
Production of 1-amino-2-alkoxynaphthalenes
FR717042A
(en )
1931-12-31
Removable steps
GR2887B
(en )
1930-08-19
METHOD FOR PREPARATION OF SMOOTH CELLULAR.
FR728724A
(en )
1932-07-11
Wig
FR703946A
(en )
1931-05-08
Production of dispersions
CA294470A
(en )
1929-11-05
Method of preparing cotton-fibre-stuff of rubber-tissue
GR3151B
(en )
1931-04-14
METHOD OF PRODUCTION OF PHOTOGRAPHS (REPREDUETIONS).
FI13687A
(en )
1931-08-14
Peat production method
GR3242B
(en )
1931-06-18
SYSTEM FOR REPRESENTATION OF N - SUBSTITUTES 2 - ALCOXY - 6 - HALOGEN - 9 AMINOSCRIDINE.
FR38797E
(en )
1931-07-18
Production of nitroacetylcellulose
GR2074B
(en )
1928-12-10
METHOD OF MAKING TSAROUCHI.
DK46078C
(en )
1932-08-22
Procedure for the production of yeast without the production of alcohol.
CA257706A
(en )
1926-02-02
Method of making hosiery
ES115346A1
(en )
1929-11-16
Production of dispersions.
CA299991A
(en )
1930-05-06
Method of obtaining zirconium compounds
GR1938B
(en )
1928-08-10
METHOD FOR REFINERATION OF RAW TOBACCO.
GR2033B
(en )
1928-10-30
METHOD FOR MANUFACTURE OF PRESSLINGEN BODIES.
GR1156B
(en )
1926-04-08
METHOD OF MAKING TITLES OF CINEMATOGRAPHIC WORKS.