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(en )
1948-02-05
Improvements in or relating to electric broadband carrier communication system
AU1723247A
(en )
1948-02-05
Improvements in or relating to electric broadband carrier communication system
AU137385B2
(en )
1947-05-08
Improvements relating to repeaters in electrical communication systems
AU138140B2
(en )
1947-02-13
Improvements in or relating to station identification in electric communication systems
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(en )
1947-05-08
Improvements relating to repeaters in electrical communication systems
AU928747A
(en )
1947-02-13
Improvements in or relating to station identification in electric communication systems
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(en )
Improvements in or relating to communication systems
AU137682B2
(en )
1947-05-15
1 "Improvements in or relating to multiplex electric communication systems
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(en )
1947-10-16
Improvements in or relating to electric impulse communication systems
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(en )
1947-03-13
Electric wave communication system
AU142101B2
(en )
1947-08-07
Improvements in or relating to open wire carrier current transmission system
AU140038B2
(en )
1947-08-28
Improvements in or relating to radio communication systems
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(en )
1949-11-20
Improvements in or relating to carrier current transmission systems
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(en )
1947-01-16
Improvements in or relating to electric communication cables
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(en )
1947-05-15
1 "Improvements in or relating to multiplex electric communication systems
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(en )
1947-10-16
Improvements in or relating to electric impulse communication systems
AU130732B2
(en )
1946-01-16
Improvements in or relating to electric carrier current communication systems
AU139823B2
(en )
1947-02-20
Improvements in or relating to station identification in telecommunication systems
AU137101B2
(en )
1947-06-26
improvements relating to communication systems
AU929547A
(en )
1947-03-13
Electric wave communication system
AU140162B2
(en )
1947-06-12
Communication system
CA444569A
(en )
1947-10-14
Communication system
CA443319A
(en )
1947-07-29
Communication system
CA442860A
(en )
1947-07-15
Communication system
CA441941A
(en )
1947-06-03
Communication system