CH19026A
(en )
1900-04-30
Channel in electro-insulating material for underground electrical conductors
CH19189A
(en )
1900-05-31
Advanced seal for electrical conductors
ES23844A1
(en )
1899-03-16
Improvements in conductors for electric cables.
ES28533A3
(en )
1901-11-16
Improvements in insulators for electrical conductors.
CH18876A
(en )
1900-03-31
Novel electrical cable
ES24415A1
(en )
1899-07-16
Improvements in the underground conductor electric trams.
GB189917445A
(en )
1900-08-29
Improvements in Electric Cables.
CH17290A
(en )
1899-05-31
Underground electric cable for high voltages
FR415961A
(en )
1910-10-08
Improvements in section insulators for electrical conductors
CH15004A
(en )
1898-03-15
Channel arrangement for electrical lines
CH21898A
(en )
1901-10-31
Insulator support for electrical conductors
CH14662A
(en )
1898-01-31
Electrical line
ES21975A1
(en )
1898-01-16
Improvements in underground conduits for electrical cables.
ES21443A1
(en )
1897-10-16
Improvements in closed conduit electric railways.
ES21444A1
(en )
1897-10-16
Improvements in closed conduit electric railways.
ES21445A1
(en )
1897-10-16
Improvements in closed conduit electric railways.
GB190018006A
(en )
1901-08-03
Improvements in Conduits for Electric Conductors
GB189917477A
(en )
1899-10-14
Improvements in Mouldings for Electric Wires and other purposes.
ES24882A1
(en )
1899-11-01
Improvements in electrical couplers.
CH14678A
(en )
1898-01-15
Switch for electric railways with underground lines
GB189916956A
(en )
1900-06-30
Improvements in or relating to Conductors for Electric Conductors.
CH19934A
(en )
1900-10-31
Installation for underground conductor electric trams
GB189925216A
(en )
1900-12-20
Improvements in Electric Cable Conduits.
CH19255A
(en )
1900-06-30
Armature for electrical machines
GB189917319A
(en )
1900-04-14
Improvements in Grips Used in the Laying of Underground Electrical Cables.