FR1246135A
(en )
1960-11-18
Improvements to electric batteries
FR1186907A
(en )
1959-09-03
Improvements to wiring harnesses
FR1245426A
(en )
1960-11-04
Improvements to electrical machines
FR1097339A
(en )
1955-07-04
Improvements to electrical fuses
CH392558A
(en )
1965-05-31
Electrical control device for multi-stage extraction turbine
FR1091097A
(en )
1955-04-06
Improvements to electric capacitors
AT191989B
(en )
1957-09-25
Equipment for electric mine detonators to ensure a sufficient ignition current for ignition
AT198831B
(en )
1958-07-25
Equipment for electric mine detonators to ensure a sufficient ignition current for ignition
FR1096997A
(en )
1955-06-28
Improvements to electric batteries
FR1168059A
(en )
1958-12-04
Improvements to blasthole tamping plugs
FR1148638A
(en )
1957-12-12
Improvements to tire casings
CH352383A
(en )
1961-02-28
Electric jack
FR1152383A
(en )
1958-02-14
Electric detonators
FR1109427A
(en )
1956-01-27
Improvements to electrical contacts
FR1158869A
(en )
1958-06-20
Improvements to electrical contactors
FR1141838A
(en )
1957-09-09
Improvements to electrical machines
FR1177220A
(en )
1959-04-22
Improvements to electrical accessories
FR1178671A
(en )
1959-05-13
Improvements to electric cables
AT198631B
(en )
1958-07-10
Electric lighting system for automobiles
AT193009B
(en )
1957-11-25
Electric ignition device for blasting
FR1082377A
(en )
1954-12-29
Improvements to electrical transformers
AT213754B
(en )
1961-02-27
Electric safety igniter for mines
FR1159309A
(en )
1958-06-26
Improvements to solidified electrical equipment
FR1101893A
(en )
1955-10-11
Improvements to electrical contacts
FR1075290A
(en )
1954-10-14
Improvements to electrical machines