FR1206983A
(en )
1960-02-12
Transmission systems
FR1205194A
(en )
1960-02-01
Radio telegraph systems
BE597408A
(en )
1961-03-15
Improvements to navigation systems
FR1322023A
(en )
1963-03-22
Improvements to telegraphic transmission systems
BE609060A
(en )
1962-04-12
Improvements to Frequency Slip Telegraphy Systems
FR1275343A
(en )
1961-11-03
Improvements to high frequency transmission circuits
FR1236189A
(en )
1960-11-14
Improvements to transmission systems
FR1264622A
(en )
1961-06-23
Improvements to telemetry systems
FR1220044A
(en )
1960-05-20
Improvements to telecommunication systems
FR1228160A
(en )
1960-08-26
Improvements to pseudo-stereophonic systems
FR89666E
(en )
1967-07-28
Improvements to frequency modulation transmission systems
FR87802E
(en )
1966-05-20
Improvements to frequency modulation transmission systems
FR1316045A
(en )
1963-01-25
Improvements to frequency modulation transmission systems
FR78611E
(en )
1962-08-17
Improvements to frequency or phase modulation systems
FR1300724A
(en )
1962-08-10
Improvements to transmission systems
FR1286910A
(en )
1962-03-09
Improvements to suspender systems
FR1294167A
(en )
1962-05-26
Improvements to telegraph systems
FR1243922A
(en )
1960-10-21
Improvements to telephone systems
FR1278159A
(en )
1961-12-01
Improvements to computer systems
FR1250012A
(en )
1961-01-06
Improvements to frequency modulation transmission systems
BE616214A
(en )
1962-10-10
Improvements to data transmission systems
FR1164689A
(en )
1958-10-13
Improvements to pumping systems
FR1223446A
(en )
1960-06-16
Improvements to telegraphic transmission systems
FR76754E
(en )
1961-12-01
Improvements to telegraphic transmission systems
FR1284573A
(en )
1962-02-16
Improvements to television transmission systems