FR950328A
(en )
1949-09-23
Insulation for magnetic material
FR1067812A
(en )
1954-06-18
Advanced centrifuge machine
CH291104A
(en )
1953-05-31
Electric heating device for baths of molten material.
FR1048516A
(en )
1953-12-22
Electric semiconductor and process for its manufacture
AT185906B
(en )
1956-06-25
Electric surface heating element
FR1040685A
(en )
1953-10-16
Thermal switch for excess current
FR1017985A
(en )
1952-12-24
Apparatus for facilitating the cutting of clothing
FR1042805A
(en )
1953-11-04
Metal smelting process
FR1028660A
(en )
1953-05-27
Zinciferous material smelting process
FR1023049A
(en )
1953-03-12
Method for connecting electrical conductors
CH271247A
(en )
1950-10-15
Electric heating device for baths of molten materials and in particular for glass furnaces.
FR1021549A
(en )
1953-02-19
Advanced tilting frame for electrical installations
DK79305C
(en )
1955-05-31
Electrical apparatus of semiconductor material.
FR1021907A
(en )
1953-02-25
Material for electrical contacts
FR1041352A
(en )
1953-10-22
Copolymers and process for preparing them
FR1028936A
(en )
1953-05-28
Heating process
FR1090569A
(en )
1955-03-31
Adjustable heating switch
FR1028616A
(en )
1953-05-26
Process for the protection of direct current electric machines against overcurrents
ES25155Y
(en )
1952-03-01
Electric heater
FR1028615A
(en )
1953-05-26
Electric heated insoles
ES26133Y
(en )
1953-08-16
Electric heated glove
FR1034774A
(en )
1953-07-31
Apparatus for dielectric heating
ES26399Y
(en )
1953-08-16
Electric heated gaiter
ES34229Y
(en )
1953-06-01
Electric heating device for showers
FR1042469A
(en )
1953-11-02
Method of closing the slots of electrical machines