SU25602A1
(en )
1931-03-31
The method of producing vegetable casein
SU10411A1
(en )
1929-07-31
Method of preparing adhesive
SU23971A1
(en )
1931-11-30
The method of preparation of the surrogate oil.
SU31021A1
(en )
1933-07-31
The method of producing tetraoxyperylene or their derivatives
SU15533A1
(en )
1930-05-31
The method of preparation of varnish from wood tar
SU16365A1
(en )
1930-08-31
Chugunna Opoka
SU10419A1
(en )
1929-07-31
Disinsection method
SU19619A1
(en )
1931-03-31
Method for producing calcium hypochlorite
SU2085A1
(en )
1926-12-31
The method of changing the technical properties of gypsum
SU35190A1
(en )
1934-03-31
The method of obtaining dihydroterpene
SU21736A1
(en )
1931-07-31
Muffler
SU23504A1
(en )
1931-10-31
The method of obtaining the orange crown
SU29215A1
(en )
1933-02-28
The method of obtaining resins
SU28268A1
(en )
1932-11-30
The method of obtaining artificial resin
SU51152A1
(en )
1936-11-30
The method of producing bourbonal
SU24890A1
(en )
1932-01-31
The method of obtaining phosphate fertilizers
SU19660A1
(en )
1931-03-31
Adaptation for automatic tramway switch
SU9920A1
(en )
1929-06-29
Method for producing chloroform for anesthesia
SU20705A1
(en )
1931-05-31
The method of application of magnetite
SU20800A1
(en )
1931-05-31
The method of making wooden coils
SU25729A1
(en )
1932-03-31
Method of making felt
SU28096A1
(en )
1932-10-31
The method of obtaining leather flour
SU23501A1
(en )
1931-10-31
The method of obtaining sulfur dyes
SU19727A1
(en )
1931-03-31
Plywood gluing method
SU14460A1
(en )
1930-03-31
The method of preparation of liquid organopreparations