AU157795B2
(en )
1951-11-22
Lmprovements in or relating to pulse modulation signalling systems
AU511551A
(en )
1951-11-22
Lmprovements in or relating to pulse modulation signalling systems
AU156502B2
(en )
1950-12-21
Improvements in or relating to time-multiplex pulse modulation signalling systems
AU162849B2
(en )
1951-11-01
Improvements in or relating to pulse code modulation systems
AU3750950A
(en )
1950-12-21
Improvements in or relating to time-multiplex pulse modulation signalling systems
AU152401B2
(en )
1951-03-22
Improvements in and relating to pulse code signalling systems
AU155839B2
(en )
1951-05-03
Improvements in and relating to pulse code signalling systems
AU482851A
(en )
1951-11-01
Improvements in or relating to pulse code modulation systems
AU156791B2
(en )
1951-07-05
Improvements in or relating to electric signalling systems ofthe kind using pulse code modulation
AU156018B2
(en )
Improvements in or relating to pulse-code modulation signalling systems
CA478317A
(en )
1951-11-06
Pulse signalling systems
AU153984B2
(en )
1952-01-10
Improvements in or relating to automatic signalling systems
AU155442B2
(en )
1951-05-17
Improvements in or relating to electrical pulse code signalling systems
AU26951A
(en )
1951-03-22
Improvements in and relating to pulse code signalling systems
AU116051A
(en )
1951-05-03
Improvements in and relating to pulse code signalling systems
AU159465B2
(en )
1952-04-24
Improvements in or relating to pulse signalling systems
AU160438B2
(en )
1952-05-01
Improvements in or relating to pulse signalling systems
CA477901A
(en )
1951-10-16
Pulse signaling systems
AU229451A
(en )
1951-07-05
Improvements in or relating to electric signalling systems ofthe kind using pulse code modulation
AU608251A
(en )
1952-01-10
Improvements in or relating to automatic signalling systems
AU145151A
(en )
1951-05-17
Improvements in or relating to electrical pulse code signalling systems
AU813552A
(en )
1952-04-24
Improvements in or relating to pulse signalling systems
AU830852A
(en )
1952-05-01
Improvements in or relating to pulse signalling systems
AU155682B2
(en )
1951-04-19
Improvements in or relating to electric signalling systems
CA473334A
(en )
1951-05-01
Coded signalling systems