FR835381A
(en )
1938-12-20
Solar boiler
GR7819B
(en )
1938-12-01
PERFECTIONS IN OR IN RELATION TO THE MANUFACTURE OF PIPES FROM FIBER PULPS.
FR848738A
(en )
1939-11-06
Pipe connection
CH207850A
(en )
1939-12-15
Sizing degree meter.
GR8002B
(en )
1939-02-17
IMPROVEMENTS IN OR RELATING TO THE MANUFACTURE OF COLLARS FOR THE USE OF PEOPLE.
FR849090A
(en )
1939-11-14
Metallized pipes
FR891660A
(en )
1944-03-15
Steam production plant
GR7202B
(en )
1938-03-10
PERFECTIONS IN OR IN RELATION TO GERMBOME.
CH210581A
(en )
1940-07-31
Hosiery.
GR7440B
(en )
1938-06-10
DOUBLE PERFECT RECEIPT OF STEAM WITH LOGICAL PROMOTION OF THE EAST.
GR8248B
(en )
1939-06-05
PERFECTIONS IN OR IN RELATION TO THE MANUFACTURE OF CEMENTS FROM Cement Asbestos.
GR7755B
(en )
1938-11-02
MECHANICAL MANNER OF MANUFACTURING THE SALT IN THE SALT.
GR9501B
(en )
1941-04-22
PERFECTIONS IN OR IN RELATION TO THE INDUSTRIAL MANUFACTURE OF INSULATION MATERIALS.
GR7508B
(en )
1938-07-08
MECHANICAL PIPES FOR CONTINUOUS EXPORT FOR VISCULAR LIQUIDS OR BUTTER-ESSENTIAL SUBSTANCE.
ES144000A1
(en )
1938-02-16
Improvements in the manufacture of rail joints.
CH201571A
(en )
1938-12-15
Fiber anchor.
GR6422B
(en )
1937-04-12
SOAP ECONOMICS.
ES143593A1
(en )
1941-06-16
Improvements in the manufacture of cement.
DK56354C
(en )
1939-06-26
Close to Whistle Boilers.
DK58570C
(en )
1941-04-07
Element boiler.
DK55798C
(en )
1939-02-06
Water turbine.
ES150267A1
(en )
1942-06-01
IMPROVEMENTS IN THE MANUFACTURE OF CARTER OF ASBESTOS
FI19811A
(en )
1943-12-14
Förster avsedd öppnings- och stängningsanordning
GR8205B
(en )
1939-05-16
PERFECTIONS IN THE MANUFACTURE OF MANGANIA.
FR832048A
(en )
1938-09-20
Burner