AT170419B
(en )
1952-02-25
Hollow grave monument composed of plates or cast in one piece
FR1018618A
(en )
1953-01-09
Composite construction
AT170105B
(en )
1952-01-25
Reinforced concrete steps
FR993415A
(en )
1951-10-31
Improvements to constructions in standardized elements
FR1016069A
(en )
1952-10-31
Improvement in mixer-kneaders
ES195591A1
(en )
1951-03-01
IMPROVEMENTS IN REMOVABLE STRUCTURES
FR896320A
(en )
1945-02-19
Roof in assembled boxes
ES191228A1
(en )
1950-03-01
IMPROVEMENTS IN THE MANUFACTURE OF CAPS AND CAPS
ES191581A3
(en )
1950-03-16
IMPROVEMENTS IN ELECTROLYTIC DEVICES
ES191111A1
(en )
1950-03-01
IMPROVEMENTS IN THE CONSTRUCTION OF CLARABOYAS AND LUCERNARIOS
AT179072B
(en )
1954-07-10
Structure in wood-wire construction
FR1024189A
(en )
1953-03-30
Improvements in the manufacture of padlocks
FR1025031A
(en )
1953-04-09
Improvements in the production of cellular concrete
AT173277B
(en )
1952-12-10
Bench and bench
ES195317A1
(en )
1951-01-01
IMPROVEMENTS IN THE MANUFACTURE OF LOCKS
ES193044A1
(en )
1950-10-16
IMPROVEMENTS IN HYDRAULIC EXTRACTIONS
ES194778A1
(en )
1951-03-01
IMPROVEMENTS IN GUARNICIONES FOR TERRACED HOLES
AT173049B
(en )
1952-11-10
Reinforced concrete structure
FR1011586A
(en )
1952-06-24
Laminate concrete
ES35983Y
(en )
1956-01-01
Tables-guide to fill in football pools
ES151646A1
(en )
1943-03-01
IMPROVEMENTS IN AND RELATED TO WIRELESS RECEIVERS
ES191696A1
(en )
1950-10-01
IMPROVEMENTS IN THE CONSTRUCTION OF ELECTRICAL ACCUMULATORS
ES153741A1
(en )
1943-03-01
IMPROVEMENTS IN ROOF AND FLOORING STRUCTURES
ES29730Y
(en )
1952-06-01
Fishing net to work in all depths
ES195463A3
(en )
1951-01-01
IMPROVEMENTS IN THE METHODS TO INCREASE THE MECHANICAL CHARACTERISTICS OF THE METAL PROFILES