FR842904A
(en )
1939-06-21
Improvements made to electric cables
FR808564A
(en )
1937-02-10
Improvements to electric cables with concentric conductors
FR942256A
(en )
1949-02-03
Improvements to electric cables
BE427028A
(en )
1938-04-30
Improvements to cables used for the transmission of electrical energy
FR762793A
(en )
1934-04-18
Improvements to electrical energy converters
FR804920A
(en )
1936-11-05
Improvements to electric cables
BE427005A
(en )
1938-04-30
Improvements to cables for the transmission of electrical energy
FR845857A
(en )
1939-09-04
Improvements to devices for the protection of electrical power distribution networks
FR717070A
(en )
1931-12-31
Improvements to cables used to transmit electrical energy
FR830980A
(en )
1938-08-16
Improvements made to flexible electric cables
FR847247A
(en )
1939-10-05
Improvements to the insulation of electrical equipment
FR818886A
(en )
1937-10-05
Coupling devices for the transmission of electrical energy
FR853121A
(en )
1940-03-11
Improvements to electrical energy transmission systems
FR752067A
(en )
1933-09-15
Improvements to the electrical equipment of automobiles
FR727250A
(en )
1932-06-15
Cables for the transmission of electrical energy
FR847495A
(en )
1939-10-10
Improvements to electric cables with concentric conductors
BE430322A
(en )
1938-10-31
Perfcetionnements to electric cables
FR857924A
(en )
1940-10-05
Improvements to electric cables
FR830290A
(en )
1938-07-25
Improvements to the insulation of electrical conductors
FR830478A
(en )
1938-08-01
Improvements to electric cables
FR825275A
(en )
1938-02-28
Improvements to electric cables
FR834125A
(en )
1938-11-14
Improvements in the distribution of electrical energy
FR803458A
(en )
1936-10-01
Improvements to cables and insulated wires for electricity
FR846896A
(en )
1939-09-27
Improvements to materials for electrical insulation
FR933248A
(en )
1948-04-14
Improvements to forming barrier joints or terminating cables for the transmission of electrical energy