FR1246135A
(en )
1960-11-18
Improvements to electric batteries
FR1161111A
(en )
1958-08-21
Electric battery
BE575356A
(en )
1959-05-29
Improvements to electrochemical batteries
FR1143958A
(en )
1957-10-08
Improvements to alkaline type electric accumulators
FR1141791A
(en )
1957-09-09
Improvements to electric lamps
FR1179982A
(en )
1959-05-29
Electric battery
FR1148140A
(en )
1957-12-04
Advanced electric battery
FR1227237A
(en )
1960-08-19
Improvements to electric accumulators
FR1096997A
(en )
1955-06-28
Improvements to electric batteries
CH329587A
(en )
1958-04-30
Portable telephone with local battery
BE544589A
(en )
1959-09-25
IMPROVEMENTS TO PORTABLE ELECTRIC LAMPS WITH ACCUMULATORS.
FR1148046A
(en )
1957-12-03
Improvements to electric accumulators
FR1144321A
(en )
1957-10-11
Improvements to electric accumulators
FR1130142A
(en )
1957-01-31
Improvement in sealed alkaline electric accumulators
FR1161404A
(en )
1958-08-29
Improvements relating to electric batteries
FR1156951A
(en )
1958-05-23
Improvements to electric lamps
FR1163004A
(en )
1958-09-22
Improvements to electric batteries
FR1233509A
(en )
1960-10-12
Improvements to electric batteries
BE529145A
(en )
1957-05-10
IMPROVEMENTS RELATING TO PORTABLE BATTERY ELECTRIC LAMPS.
FR1175417A
(en )
1959-03-26
Improvements to electric lamps
BE593385A
(en )
1960-11-14
Improvements to electric lanterns.
BE546577A
(en )
1959-10-23
IMPROVEMENTS TO ELECTRIC CAPACITORS.
FR1144849A
(en )
1957-10-18
Improvements to alkaline type electric accumulators
FR1130144A
(en )
1957-01-31
Improvements to electric accumulators
FR1141790A
(en )
1957-09-09
Improvements to electric accumulators