GR8248B
(en )
1939-06-05
PERFECTIONS IN OR IN RELATION TO THE MANUFACTURE OF CEMENTS FROM Cement Asbestos.
FR859022A
(en )
1940-12-09
Plasters
FR845724A
(en )
1939-08-31
Advanced cement
FR840626A
(en )
1939-04-28
Sulphoaluminous artificial cement
GR7264B
(en )
1938-04-01
INDUSTRIAL CEMENT MANUFACTURE.
GR8002B
(en )
1939-02-17
IMPROVEMENTS IN OR RELATING TO THE MANUFACTURE OF COLLARS FOR THE USE OF PEOPLE.
ES144273A1
(en )
1942-06-16
Improvements in the preparation of raw materials for the manufacture of cement.
ES143977A3
(en )
1938-01-16
Improvements in the manufacture of cement and asbestos plates.
GR7819B
(en )
1938-12-01
PERFECTIONS IN OR IN RELATION TO THE MANUFACTURE OF PIPES FROM FIBER PULPS.
ES143593A1
(en )
1941-06-16
Improvements in the manufacture of cement.
ES144112A1
(en )
1938-06-01
Improvements in the construction of ovens for the manufacture of flat glass.
GR9501B
(en )
1941-04-22
PERFECTIONS IN OR IN RELATION TO THE INDUSTRIAL MANUFACTURE OF INSULATION MATERIALS.
GB514078A
(en )
1939-10-30
Improvements in or relating to the manufacture of reinforced asbestos cement boards or the like
FR840195A
(en )
1939-04-20
Briefs
ES144272A1
(en )
1942-06-16
Improvements in the preparation of raw materials for the manufacture of cements.
GR7202B
(en )
1938-03-10
PERFECTIONS IN OR IN RELATION TO GERMBOME.
FR846610A
(en )
1939-09-21
Water heater
ES147703A1
(en )
1941-12-01
Improvements in the manufacture of cement objects.
GR7755B
(en )
1938-11-02
MECHANICAL MANNER OF MANUFACTURING THE SALT IN THE SALT.
FR836950A
(en )
1939-01-30
Athermanic tiles
ES146358A3
(en )
1941-01-01
Improvements in the manufacture of heating radiators.
ES144216A1
(en )
1941-09-01
Clinkerized binder in the manner of Portland cement and method for its preparation.
GR6493B
(en )
1937-05-13
TYPE OF PRESSED ARTIFICIAL STONES FROM CEMENT MORTAR.
DK56324C
(en )
1939-06-19
Brick.
GR7576B
(en )
1938-08-05
PIPE CONSISTING OF TWO PIECES.