SU50723A1
(en )
1936-11-30
A method for producing shale mastic for road construction and so on.
FR811585A
(en )
1937-04-17
Road tourist trailer
SU29562A1
(en )
1933-03-31
The method of extraction of bitumen from bituminous rocks
SU48210A1
(en )
1936-08-31
Catalyst Preparation Method
SU51407A1
(en )
1936-11-30
Method of making concrete
SU48236A1
(en )
1936-08-31
Sulfur recovery method
SU50379A1
(en )
1936-11-30
Petroleum oil polymerization method
SU51391A1
(en )
1936-11-30
Method of forming islands for installing caissons and lowering wells on them
SU49233A1
(en )
1936-08-31
Method of vulcanization coincidence
SU50381A1
(en )
1936-11-30
Method for making grease
SU50360A1
(en )
1936-11-30
The method of measuring the phase difference
SU50009A1
(en )
1936-08-31
Method for producing marl cement
SU51239A1
(en )
1936-11-30
Method for producing methyl- and dimethylaniline
SU51424A1
(en )
1936-11-30
The method of producing chromium oxide
SU50402A1
(en )
1936-11-30
The method of purification of oil distillates
SU49458A1
(en )
1936-08-31
The method of seed dressing
SU19516A1
(en )
1931-02-28
Method of making concrete
SU41396A1
(en )
1935-01-31
The method of making layouts
SU48879A1
(en )
1936-08-31
Method of making photocells
SU51918A1
(en )
1936-11-30
Ice dye method
SU49355A1
(en )
1936-08-31
Method for enhancing the relief of sound tone recording
SU51994A1
(en )
1937-11-30
Method for producing 2-chloro-butadiene 1.3
FR802991A
(en )
1936-09-19
Road edge, reinforced concrete
ES131731A3
(en )
1933-11-01
A method of paving roads and the like.
FR823533A
(en )
1938-01-21
Bituminous emulsion improvements