DK48503C
(en )
1934-03-12
Device for Protection of Electrical Installations against Insulation Faults.
DK46966C
(en )
1933-02-20
Device for Protection against Insulation Faults in Electrical Installations.
DK46203C
(en )
1932-09-19
Device for protection against breakage of electrical windings for low-voltage appliances.
ES130263A1
(en )
1933-05-16
Improvements in the protection devices of electrical installations against insulation defects.
DK51793C
(en )
1936-06-22
Distance Relay for Protection of Electrical Installations.
CH168547A
(en )
1934-04-15
Device for protecting electrical installations against insulation faults.
DK35318C
(en )
1925-11-30
Device for Protection against Insulation Faults in Electrical Installations.
DK46351C
(en )
1932-10-24
Insulation for Electrical Conductors.
DK53479C
(en )
1937-08-23
Device for Protection against Diversion during Electrical Installation.
GR3286B
(en )
1931-07-15
DEVICE OF AUTOMATIC INDICATION OF CONCLUSIONS IN ELECTRICAL FAULT CABLES.
DK50609C
(en )
1935-09-02
Device for Magnetization of Electric Generators.
ES122227A3
(en )
1931-04-16
A procedure for the protection of insulated electrical conductors.
DK54136C
(en )
1938-01-10
Device for joints for conaxial electrical cables.
ES137363A1
(en )
1935-06-16
Terminal device for electrical conductors.
DK46132C
(en )
1932-08-29
Procedure for Construction of Stator of Electrical Machines.
DK52185C
(en )
1936-09-21
Cover for electrical cables.
DK40271C
(en )
1929-06-10
Tape, in particular for the insulation of electrical conductors.
ES131570A3
(en )
1933-10-01
Procedure for the protection of electrical conductors.
ES3553Y
(en )
1935-11-01
Interruption device for electrical installations.
ES91784A2
(en )
1925-06-01
Protection device for electrical installations.
ES140075A1
(en )
1936-02-01
An electrical bypass procedure with double protection prevents fraud with its corresponding device.
DK46270C
(en )
1932-10-03
Device at Fuse Boxes for Electrical Installations.
ES124111A1
(en )
1931-10-16
Improvements in electrical equipment for connection of multiple contacts.
FR761070A
(en )
1934-03-10
Porcelain pipes improvements for electrical installations
ES130461A3
(en )
1933-07-01
An automatic device for winding electrical conductors.