CH175412A
(en )
1935-02-28
Debarking machine.
SU54975A1
(en )
1938-11-30
Method for the determination of white rot wood
SU55636A1
(en )
1938-11-30
The method of obtaining the combined fertilizer
SU51860A1
(en )
1937-11-30
The method of manufacture of plastics
SU45748A1
(en )
1936-01-31
The method of obtaining a piezoquartz sonic standard
SU44925A1
(en )
1935-11-30
The method of obtaining bromoform
SU54960A1
(en )
1938-11-30
Method of preparing anti-scab
SU53785A1
(en )
1938-08-31
The method of obtaining neosalvarsana
SU48214A1
(en )
1936-08-31
The method of obtaining N-methyl-n-aminophenol
SU50431A1
(en )
1936-11-30
The method of obtaining esters
SU46646A1
(en )
1936-04-30
The method of obtaining paint
SU45601A1
(en )
1936-01-31
The method of obtaining terpindialov
SU53320A1
(en )
1937-11-30
The method of preparation of the concrete surface overlap under the plaster
SU52051A1
(en )
1937-11-30
Method for preparing polyglycerol esters
SU50155A1
(en )
1936-08-31
The method of obtaining steel for nitriding
SU48270A1
(en )
1936-08-31
The method of obtaining magnesia
SU51983A1
(en )
1937-11-30
Silicocalcium melting method
SU50702A1
(en )
1936-11-30
The method of deferrization of water containing humic substances
SU45698A1
(en )
1936-01-31
The method of gluing metal with metal, wood, cardboard, etc.
SU44657A1
(en )
1935-10-31
Wood saw
SU51798A1
(en )
1936-11-30
The method of obtaining synthetic tanning materials
DK55377C
(en )
1938-10-24
Nails for Wood Connections.
FI20105A
(en )
1944-05-11
Method for impregnating wood
DK56975C
(en )
1939-11-27
Wood preservative.
DK55332C
(en )
1938-10-10
Rocking horse.