CH75776A
(en )
1917-09-17
Process for the production of electrical insulating fittings
CH79409A
(en )
1918-11-01
Process for the production of metal jackets on insulating tubes and insulated wires for electrical lines
CH77440A
(en )
1918-04-16
Process for the production of insulating sleeves for transformers
CH80460A
(en )
1919-03-01
Method of making flat sheets of layered fabric for electrical insulation
FR490839A
(en )
1919-05-10
Insulator for electrical conductors
CH77161A
(en )
1918-03-16
Insulator for electric lines
CA211148A
(en )
1921-05-03
Production of insulating layers on electrical conductors
CH69402A
(en )
1915-06-16
Device for removing the insulation from electrical conductors
FR522090A
(en )
1921-07-25
Electrical insulator
CA213707A
(en )
1921-10-11
Method for the manufacture of lead covered electric cables
CH80055A
(en )
1919-02-01
Pull-out grommet for electrical cables in buildings
DK29571C
(en )
1922-05-08
Method of Manufacturing Insulators for Electrical Wiring.
CA187871A
(en )
1918-12-10
Electric conductor
CH79491A
(en )
1918-12-02
Process for the production of copper oxide
CH57848A
(en )
1913-02-01
Process for making layered fabrics for electrical insulation
CH78641A
(en )
1918-12-16
Process for making electric ovens
CH65988A
(en )
1914-08-01
Process for the production of electrical insulation bodies
CH77695A
(en )
1918-05-16
Post insulator for electrical high-voltage lines
NL865C
(en )
1915-10-15
Process for preparing an insulating coating on conductors
CA190474A
(en )
1919-05-20
Electrical conductor
FR519172A
(en )
1921-06-06
Improvements to electrical insulators
AT182442B
(en )
1955-06-25
Process for the production of electrically insulating layers
FR511947A
(en )
1921-01-07
Improvements to insulated electrical conductors
DK27700C
(en )
1921-05-30
Air insulation by electrical cables.
CH79106A
(en )
1918-10-01
Insulating tube for electrical line systems