FR842904A
(en )
1939-06-21
Improvements made to electric cables
FR842889A
(en )
1939-06-21
Power transmission circuits
FR762793A
(en )
1934-04-18
Improvements to electrical energy converters
FR804920A
(en )
1936-11-05
Improvements to electric cables
BE427028A
(en )
1938-04-30
Improvements to cables used for the transmission of electrical energy
FR845857A
(en )
1939-09-04
Improvements to devices for the protection of electrical power distribution networks
FR780939A
(en )
1935-05-06
Improvements to devices for transforming acoustic energy into electrical energy
FR818886A
(en )
1937-10-05
Coupling devices for the transmission of electrical energy
FR846896A
(en )
1939-09-27
Improvements to materials for electrical insulation
FR727250A
(en )
1932-06-15
Cables for the transmission of electrical energy
FR49650E
(en )
1939-05-16
Improvements to cables and insulated wires for electricity
BE384469A
(en )
1931-12-31
Cable for electric power transmission
FR887773A
(en )
1943-11-23
Improvements to coupling components for electrical equipment
FR835736A
(en )
1938-12-29
Improvements to hydraulic power transmission devices
FR764834A
(en )
1934-05-29
Improvements to electrical devices for the creation of forces
FR796432A
(en )
1936-04-07
Improvements to junction boxes for electric cables
FR801003A
(en )
1936-07-25
Improvements to cables for electrical communications
FR853121A
(en )
1940-03-11
Improvements to electrical energy transmission systems
BE430322A
(en )
1938-10-31
Perfcetionnements to electric cables
FR41603E
(en )
1933-02-15
Improvements to electrical energy converters
FR42234E
(en )
1933-06-16
Improvements to electrical energy converters
FR756142A
(en )
1933-12-05
Improvements to electrical energy converters
FR762638A
(en )
1934-04-14
Improvements to electrical energy converters
FR816329A
(en )
1937-08-05
Improvements to equipment for electric vehicle lighting
FR766766A
(en )
1934-07-04
Improvements to static converters of electrical energy