FR716671A
(en )
1931-12-24
Improvements in the treatment of artificial materials
CH154950A
(en )
1932-05-31
Ladies' and children's napkins.
SU23513A1
(en )
1931-10-31
The method of preparation of fragrant substances and its application
SU12538A1
(en )
1929-12-31
The method of preparation of the composition for soldering aluminum
SU20994A1
(en )
1931-05-31
Indoor polygon
SU16645A1
(en )
1930-08-31
Tailor's line
SU19989A1
(en )
1931-03-31
Ball Skates
Norwood
1928
Stage Antiquities of the Greeks and Romans and Their Influence
ES118990A1
(en )
1930-08-16
Improvements in the manufacture of espadrilles and similar.
Gerwe
1930
The autoxidizability of pure cysteine and the action of cyanides
ES117205A3
(en )
1930-04-01
Improvements in the preparation of finally divided substances.
ES117832A1
(en )
1930-07-01
Improvements in the heating and cooling of buildings.
ES109007A1
(en )
1928-10-01
Improvements in the construction of roads and similar.
ES143145A1
(en )
1936-12-16
Perfeccionamientos in the manufacture of boards and oaks.
ES138395A1
(en )
1935-09-01
Improvements in the manufacture of hollow bodies and deposits of artificial resin.
ES135421A1
(en )
1934-11-01
Perfeccionamientos in the construction of rapids and rejones.
ES129297A1
(en )
1933-04-01
Improvements in the manufacture of artificial legs.
ES117689A1
(en )
1930-05-01
Improvements in the construction of foundations or foundations for posts and similar.
ES116650A1
(en )
1930-02-16
An improvement in the construction of pool tables.
ES117618A1
(en )
1930-05-01
Improvements in the preparation of food substances.
AU1306828A
(en )
1929-05-14
Improvements in and relating to theatre and 4. helike chairs
ES133798A1
(en )
1934-05-16
IMPROVEMENTS IN THE MANUFACTURE OF TIE AND SIMILAR
ES127405A1
(en )
1932-08-16
Improvements in the paving of roads, roads, floors and similar.
ES118904A1
(en )
1930-08-01
Improvements in the construction and placement of piles.
FR751995A
(en )
1933-09-13
Improvement in the refreshing of axles