CH37815A
(en )
1907-07-31
Electrical insulator
FR390846A
(en )
1908-10-15
Insulator for electrical conductors
FR439134A
(en )
1912-06-06
Cables or electrical conductors
FR411081A
(en )
1910-06-07
Insulating device for electrical conductors
CH38427A
(en )
1907-10-15
Switching device on electrical block units
CH36448A
(en )
1907-01-15
Insulated electrical conductor
CH40255A
(en )
1908-06-16
Insulator for electric lines
CH37672A
(en )
1907-07-15
Insulated electrical line
CH28445A
(en )
1904-04-30
Lightning protection device for electrical lines
CH49032A
(en )
1911-01-02
Fixing device for lead wires on insulators
CH45700A
(en )
1909-12-16
Mast for electric cables
CH40926A
(en )
1908-09-01
Isolation on electrical devices
FR395639A
(en )
1909-03-11
Electrical conductor protection device
FR408145A
(en )
1910-03-18
Improvements to electrical conductors
CH36974A
(en )
1907-03-31
Device for cooling the conductors of electrical power equipment
CH40104A
(en )
1908-06-01
High voltage insulator with an insulating protective cover for the power wire
CH59741A
(en )
1913-06-02
Electrical installation apparatus
FR365872A
(en )
1906-09-19
Advanced conduit for electrical conductors
FR364761A
(en )
1906-08-28
Pole for overhead electrical conductors
DK14237C
(en )
1911-02-20
Connection box for electrical wires and cables.
CH33138A
(en )
1905-10-31
Surge protection for electrical cables
CH42974A
(en )
1909-03-16
Insulated suspension of the suspension cables for electrical contact lines
FR431286A
(en )
1911-11-07
Electrical conductor system
CH32754A
(en )
1905-08-31
Switching device on electrical signal boxes
CH34174A
(en )
1906-03-15
Isolation device on electrical lines