AT162324B
(en )
1949-02-25
Building board for the production of a board ceiling
FR951081A
(en )
1949-10-14
Ridge tile
CH281596A
(en )
1952-03-15
Process for the preparation of a new naphthylpropionic acid.
FR949123A
(en )
1949-08-22
Rigid architectural building set
DK71701C
(en )
1950-11-13
Building board.
FR951082A
(en )
1949-10-14
Tile
FI25221A
(en )
1951-08-10
Building board
AT170114B
(en )
1952-01-25
Process for the production of a vacuum-tight glass-metal connection
ES180096A3
(en )
1947-11-16
A PROCEDURE FOR THE MANUFACTURE OF HOLLOW BRICK CEILINGS
ES177380A1
(en )
1947-05-01
A PROCEDURE FOR THE MANUFACTURE OF ENAMELLED TILES
AT171850B
(en )
1952-07-10
Tube framework for the production of buildings
AT176493B
(en )
1953-10-26
Process for the production of lightweight building materials
AT170399B
(en )
1952-02-11
Process for the production of reinforced concrete rib ceilings
AT171737B
(en )
1952-06-25
Device for the production of building blocks
AT169098B
(en )
1951-10-10
Device for the production of building blocks
ES179943A3
(en )
1947-11-16
A PROCEDURE FOR THE MANUFACTURE OF LAMINATED LIGNOCELLULOSE
CH260038A
(en )
1949-02-28
Formwork wall for the production of concrete structures.
FR64761E
(en )
1955-12-02
Tile
FR74624E
(en )
1960-12-26
Tile
FR952637A
(en )
1949-11-21
Enameled sheet cladding tile
CH260033A
(en )
1949-02-28
Hollow brick ceiling.
ES178093A1
(en )
1947-07-01
A PROCEDURE FOR THE MANUFACTURE OF IMITATIONS OF ARTISTIC TABLES
FI21905A
(en )
1947-02-10
Procedure for the manufacture of sulphate cellulose
AT172069B
(en )
1952-08-11
Process for the production of building panels
ES180088A1
(en )
1948-02-16
A PROCEDURE FOR THE PREPARATION OF NODULES FOR THE MANUFACTURE OF CEMENT