AR212518A1
(en )
1978-07-31
CONSTRUCTION OF CLOSURE FOR VESSELS
DK364376A
(en )
1977-02-14
RAZOR
ATA304876A
(en )
1979-04-15
BUILDING ELEMENT SYSTEM FOR CREATING PLANT-SAVING WALLS
BR7506284A
(en )
1976-08-10
CONSTRUCTION OF INTERLOCKING CORRIMAO FOR BALAUSTRADOS
AR203593A1
(en )
1975-09-22
NEW FORMWORK FOR WALLS AND THE SIMILAR
AR205947A1
(en )
1976-06-15
IMPROVEMENTS OF RECOVERABLE FORMWORK FOR THE FORMATION OF WALLS AND COLUMNS
SE7508736L
(en )
1977-02-02
RAZOR
AT339560B
(en )
1977-10-25
FORMWORK BLOCK
ES220841Y
(en )
1977-04-16
RECOVERABLE FORMWORK FOR THE FORMATION OF WALLS AND PILLARS.
ES222458Y
(en )
1977-06-01
AN ELEMENT FOR THE CONSTRUCTION OF WALLS.
BR7604504A
(en )
1977-08-02
ELEMENTS FOR CONSTRUCTION OF REPARTMENTS
ES215035Y
(en )
1976-12-01
ELEMENT FOR THE CONSTRUCTION OF WALLS AND SIMILAR.
ES209847Y
(en )
1976-09-16
PIECE FOR THE CONSTRUCTION OF WALLS AND SIMILAR.
ES209386Y
(en )
1976-09-01
PIECE FOR THE FORMATION OF WALLS AND SIMILAR.
RO69858A
(en )
1980-08-15
PROCEDURE FOR THE PREPARATION OF UREOFORMALDEHYDE WASTE CREAMS USED IN THE MANUFACTURE OF AGLOMERATED PLATES
ES212132Y
(en )
1976-11-01
BLOCK FOR CONSTRUCTION OF WALLS.
AR206631A1
(en )
1976-08-06
LOST SEPARATORS FOR FORMWORK
BR7506229A
(en )
1975-12-02
MODULAR REMOVABLE SHAPES FOR CONCRETE
ES215031Y
(en )
1976-12-01
CERAMIC BLOCK FOR THE CONSTRUCTION OF WALLS.
BR7506489A
(en )
1977-04-19
MODEL FOR THE MANUFACTURE OF PLASTER PLATES
BR7601545A
(en )
1977-09-13
FORM FOR CONCRETE AND SIMILAR WALLS
BR7603529A
(en )
1977-04-05
SET OF BLOCKS FOR MASONRY
BE849789A
(en )
1977-06-23
HOLLOW ELEMENT FOR CONSRTRUCTION
AR206666A1
(en )
1976-08-06
PREFABRICATED ELEMENTS FOR THE CONSTRUCTION OF WALLS
AR195490A1
(en )
1973-10-15
BLOCKS FOR THE CONSTRUCTION OF WALLS AND WALLS