AR228263A1
(en )
1983-02-15
SET OF BLOCKS FOR THE CONSTRUCTION OF BUILDINGS
ES257026Y
(en )
1982-06-01
CONSTRUCTION UNIT FOR THE CONSTRUCTION OF BUILDINGS
MX152931A
(en )
1986-07-03
IMPROVED STRUCTURE FOR PREFABRICATED BUILDINGS
MX151742A
(en )
1985-02-18
IMPROVEMENTS IN THE CONSTRUCTION OF BUILDINGS
MX150108A
(en )
1984-03-15
IMPROVEMENTS IN SCAFFOLDING ASSEMBLY FOR CONSTRUCTION
MX149120A
(en )
1983-08-29
IMPROVEMENTS IN FLOORING UNIT FOR THE CONSTRUCTION OF TRENCHES
ES240232Y
(en )
1979-07-01
CONSTRUCTION TOY FOR THE ERECTION OF BUILDINGS
ES496657A0
(en )
1981-11-01
IMPROVEMENTS IN FACILITIES FOR THE CONTINUOUS PREPARATION OF STARCH GROUT
ES497501A0
(en )
1982-01-16
IMPROVEMENTS IN THE MANUFACTURE OF SELF-SUPPORTING PANELS, ESPECIALLY FOR ITS USE IN CONSTRUCTION
AT367135B
(en )
1982-06-11
CEILING CONSTRUCTION
ES244769Y
(en )
1980-05-16
IMPROVEMENTS IN THE MANUFACTURE OF TILES FOR TILES
ES530975A0
(en )
1984-12-01
IMPROVEMENTS IN THE CONSTRUCTION OF COAGULOMETERS
ES502890A0
(en )
1982-04-01
IMPROVEMENTS INTRODUCED IN THE STRUCTURES FOR THE CONSTRUCTION OF BUILDINGS
DK428679A
(en )
1981-04-12
BUILDING OR CONSTRUCTION ELEMENT
BE880503A
(en )
1980-04-01
BUILDING CONSTRUCTION
MX150066A
(en )
1984-03-12
IMPROVED STRUCTURE FOR BUILDINGS
AR222506A1
(en )
1981-05-29
IMPROVEMENTS IN STRUCTURES FOR THE CONSTRUCTION OF BUILDINGS
AR225424A1
(en )
1982-03-31
PROVISION FOR THE CONSTRUCTION OF BUILDINGS
MX152721A
(en )
1985-10-18
IMPROVEMENTS IN PROCEDURE FOR THE CONSTRUCTION OF BUILDINGS
AR213818A1
(en )
1979-03-15
BLOCK FOR THE CONSTRUCTION OF BUILDINGS
BR7906318A
(en )
1981-03-31
BUILDING BLOCK
SE7903191L
(en )
1980-10-11
BUILDING CONSTRUCTION
SE7905234L
(en )
1980-08-14
ELEVATED BUILDING CONSTRUCTION
BR5900814U
(en )
1980-12-23
LEVEL FOR BUILDING
ES243071Y
(en )
1980-07-16
IMPROVEMENTS IN PREFABRICATED PANELS FOR THE CONSTRUCTION OF BUILDINGS.