DK49815C
(en )
1935-01-28
Procedure for the Production of Dihydroresorcin.
GR3220B
(en )
1931-06-02
METHOD OF INDUSTRIAL MANUFACTURE OF ABSOLUTE ALCOHOL.
SU26395A1
(en )
1932-05-31
Method for making greases
GR3173B
(en )
1931-05-04
METHOD AND DEVICES FOR CONTINUOUS INDUSTRIAL MANUFACTURE OF ABSOLUTE ALCOHOL.
FR711740A
(en )
1931-09-16
industrial elasticimeter
DK48218C
(en )
1934-01-02
Process for the production of tetrahydrofurfuryl alcohol.
ES122451A1
(en )
1931-08-16
Manufacturing process of neutral emulsions.
GR3151B
(en )
1931-04-14
METHOD OF PRODUCTION OF PHOTOGRAPHS (REPREDUETIONS).
ES123631A3
(en )
1931-08-16
Industrial manufacturing process of ethyl chloride.
FR735380A
(en )
1932-11-07
Production of 1-amino-2-alkoxynaphthalenes
DK48228C
(en )
1934-01-02
Procedure for the production of alcohols.
FR717042A
(en )
1931-12-31
Removable steps
ES121766A1
(en )
1931-03-16
Method of manufacturing sheet metal furniture.
GR3242B
(en )
1931-06-18
SYSTEM FOR REPRESENTATION OF N - SUBSTITUTES 2 - ALCOXY - 6 - HALOGEN - 9 AMINOSCRIDINE.
ES121328A1
(en )
1931-02-16
An improved process for the manufacture of glass.
DK49221C
(en )
1934-09-03
Procedure for the production of sodium nitrate.
SU45404A1
(en )
1935-12-31
The method of manufacturing plastic
ES123190A1
(en )
1931-07-01
A method of manufacturing fans.
ES124301A1
(en )
1931-11-01
NEW METHOD OF MANUFACTURING MOLDED ISOTHERMAL PART
ES126639A1
(en )
1932-08-01
Method of manufacturing molded objects.
GR6322B
(en )
1937-02-25
CHEMICAL METHOD OF INDUSTRIAL MANUFACTURE OF ARTIFICIAL SERIES.
ES122735A3
(en )
1931-06-01
Process for manufacturing hollow bodies.
DK51588C
(en )
1936-05-04
Process for the Production of Dihydromorphinones.
FR718813A
(en )
1932-01-29
Altimeter
CA312220A
(en )
1931-06-09
Manufacture of absolute alcohol