GR8205B
(en )
1939-05-16
PERFECTIONS IN THE MANUFACTURE OF MANGANIA.
ES147573A3
(en )
1941-09-16
Improvements in the manufacture of transparent and semi-transparent papers.
ES147020A1
(en )
1943-02-16
Improvements in the manufacture of espadrilles.
ES176827A1
(en )
1947-03-16
IMPROVEMENTS IN OR RELATIVE THERMOTIONAL VALVES
ES146538A1
(en )
1941-04-16
Improvements in the manufacture of austenitic steels.
GR8434B
(en )
1939-08-17
PERFECTIONS IN THE VAGINES OF THE TRAINS
ES142002A1
(en )
1936-07-16
Perfections in the construction of circular looms.
ES146865A1
(en )
1941-11-16
Improvements in the manufacture of hydrocarbons and particularly the alkylation of these.
GR6411B
(en )
1937-04-07
PERFECTIONS IN THE MANUFACTURE OF THE SPILL.
ES148898A3
(en )
1942-04-01
IMPROVEMENTS IN THE CONSTRUCTION OF AEROTHERMALS
GR7989B
(en )
1939-02-17
AVIATION INDEX WITH VISUAL AND AUDIBLE ANGEL.
ES148604A1
(en )
1941-12-16
IMPROVEMENT IN THE MANUFACTURE OF HUATA
ES141409A3
(en )
1936-06-01
Improvements in the manufacture of elastic tapes.
ES146313A1
(en )
1942-03-01
IMPROVEMENTS MADE IN THE MAIN
ES146671A2
(en )
1942-03-01
IMPROVEMENTS MADE IN THE MAIN
DK59358C
(en )
1941-12-29
Half mask with Face shape adapted to the face shape.
AU110400B2
(en )
1940-05-02
Improvements in or relating to locks
GR9091B
(en )
1940-07-12
PERFECTIONS IN THE CONSTRUCTION OF TYRPAN NORIA.
GR7202B
(en )
1938-03-10
PERFECTIONS IN OR IN RELATION TO GERMBOME.
ES142722A1
(en )
1936-09-16
Improvements in the construction of locks.
ES141316A1
(en )
1936-06-01
Improvements in the construction of locks.
GR8002B
(en )
1939-02-17
IMPROVEMENTS IN OR RELATING TO THE MANUFACTURE OF COLLARS FOR THE USE OF PEOPLE.
GR7819B
(en )
1938-12-01
PERFECTIONS IN OR IN RELATION TO THE MANUFACTURE OF PIPES FROM FIBER PULPS.
ES141851A1
(en )
1936-06-16
Perfections in the manufacture of alloys.
ES143373A1
(en )
1937-02-16
Improvements in the distillation of glycerin.