CH131674A
(en )
1929-02-28
Electrical post insulator, in particular for overhead lines.
CH157152A
(en )
1932-09-15
Device for switching strong electrical alternating currents.
CH117224A
(en )
1926-10-16
Post insulator for high voltage overhead lines.
AT126879B
(en )
1932-02-25
Cable termination, in particular overhead line termination for high voltage cables.
CH153003A
(en )
1932-02-29
Multiple chain of insulators for electrical overhead lines.
AT126875B
(en )
1932-02-25
High voltage electrical cable.
FR634230A
(en )
1928-02-11
Cooling of electrical machines, in particular turbo-generators
AT126868B
(en )
1932-02-25
Electric bundle conductor.
AT108973B
(en )
1928-02-25
Cable entry for telecommunication centers.
DK39657C
(en )
1928-12-27
Spacer for electrical wires.
DK33697C
(en )
1924-09-29
Electrical overhead line protection.
CH138425A
(en )
1930-02-28
Overvoltage protection device for electrical lines.
AT140776B
(en )
1935-02-25
Selective protective device for electrical networks.
ES100533A1
(en )
1927-02-01
Improvements in electrical conductors.
ES95371A2
(en )
1926-05-01
Provision for retaining overhead lines in capped insulator strings.
ES93429A1
(en )
1925-06-16
Provision for retaining overhead lines in capped insulator strings.
ES103360A1
(en )
1927-08-01
Improvements in four wire telephone installations.
DK40006C
(en )
1929-04-08
Branch terminal for electrical wires.
DK38379C
(en )
1928-01-30
Composite Conductor for electrical overhead lines.
ES115913A3
(en )
1930-03-16
Multiple electrical cable.
DK37715C
(en )
1927-07-11
Reinforcement for single conductor AC power cables.
ES100838A1
(en )
1927-03-16
Improvements in electrical insulators.
ES86403A1
(en )
1923-10-16
Crossing insulator for electrical conductors.
ES93182A2
(en )
1925-08-16
Armatures for AC cables for single conductors.
ES114965A1
(en )
1929-11-01
Improvements in electrical systems.