FI26531A
(en )
1953-09-10
The method of making the surface plate used for acoustic purposes and the surface plate thus produced
AT172688B
(en )
1952-10-10
Surface planer and thicknesser
SU71654A1
(en )
1948-07-31
The method of obtaining painted ceramic plates
FR991932A
(en )
1951-10-11
Transducer
FR991800A
(en )
1951-10-10
Vibrating table
AT169098B
(en )
1951-10-10
Device for the production of building blocks
AT172696B
(en )
1952-10-10
Device for the continuous production of porous mortar
AT170824B
(en )
1952-03-25
Combined transducer
FI25698A
(en )
1952-04-10
Procedure for the manufacture of construction logs
FR989536A
(en )
1951-09-10
Advanced vibrator
AT169827B
(en )
1951-12-27
Face or head bandage
ES189421A1
(en )
1949-11-01
PROCEDURE FOR THE MANUFACTURE OF COMPOSITE PLATES OF FIBERS AND AGGLOMERANTS
FR997693A
(en )
1952-01-09
Electro-acoustic transducers
ES188988A1
(en )
1950-01-01
MANUFACTURING PROCEDURE OF ALVEOLAR CONCRETE
FI26713A
(en )
1953-12-10
Doormat and its method of manufacture
CA456397A
(en )
1949-05-03
Method of mat formation
AT174855B
(en )
1953-05-11
Device for the production of concrete bodies
ES186602A1
(en )
1949-04-01
PROCEDURE FOR THE MANUFACTURE OF FIXED PROSTHESES IN BLOCKS
AT171737B
(en )
1952-06-25
Device for the production of building blocks
FI23203A
(en )
1948-10-11
Process for the preparation of new pyridine and piperidine compounds
CA455168A
(en )
1949-03-15
Method and apparatus for the manufacture of formaldehyde
ES187137A1
(en )
1949-04-16
IMPROVEMENTS IN THE MANUFACTURE OF LOCKS
AT173780B
(en )
1953-01-26
Process for the formation of relief-like surfaces
FI23803A
(en )
1949-07-09
Depth gauge
FI24610A
(en )
1950-10-10
Process for the preparation of new amines