SU28325A1
(en )
1932-11-30
The method of obtaining plastics from leather powder
SU29909A1
(en )
1933-04-30
The method of obtaining chemical resistant varnish
SU51798A1
(en )
1936-11-30
The method of obtaining synthetic tanning materials
SU30834A1
(en )
1933-06-30
The method of molding plastics
SU28214A1
(en )
1932-11-30
The method of obtaining orthoxyquinoline
SU34141A1
(en )
1934-01-31
The method of vulcanization galoshes
SU39115A1
(en )
1934-10-31
The method of obtaining narakresilatsetag
SU30125A1
(en )
1933-04-30
Seal
SU28223A1
(en )
1932-11-30
The method of producing mixed fertilizers
SU49224A1
(en )
1936-08-31
The method of obtaining artificial resin
SU34515A1
(en )
1934-02-28
The method of obtaining plastics containing nitrocellulose and leather powder
SU31558A1
(en )
1933-08-31
The method of impregnation of the skin
SU32499A1
(en )
1933-10-31
The method of producing azobenzene
SU32651A1
(en )
1933-10-31
The method of obtaining masses for asphalt varnishes
SU37336A1
(en )
1934-06-30
The method of preparation of protein plastic from plant casein
SU41371A1
(en )
1935-01-31
Grinding mandrel
SU38236A1
(en )
1934-08-31
The method of obtaining wood glue
SU30782A1
(en )
1933-06-30
The method of obtaining pressing products
SU40480A1
(en )
1934-12-31
The method of coloring phosphated products
SU37246A1
(en )
1934-06-30
The method of preserving hides
SU31532A1
(en )
1933-08-31
The method of obtaining casein glue and polish
SU33300A1
(en )
1933-11-30
The method of obtaining synthetic resin shaped products for the manufacture of plastics
SU35813A1
(en )
1934-04-30
A method of making a surrogate for leather socks
SU33535A1
(en )
1933-12-31
The method of producing tetrabromethane
SU43700A1
(en )
1935-07-31
The method of obtaining material replacing sealing wax