AU160937B2
(en )
1952-05-29
Improvements in or relating to telephone substation circuits
AU886052A
(en )
1952-05-29
Improvements in or relating to telephone substation circuits
AU153363B2
(en )
1952-03-20
Improvements in or relating to electric circuits
AU156887B2
(en )
1952-03-27
Improvements in or relating to frequency-demodulation circuits
AU160883B2
(en )
1952-07-21
Improvements in or relating to electronic dialling circuits
AU165397B2
(en )
1952-11-20
Improvements in or relating to circuit breakers
AU165012B2
(en )
1952-12-11
Improvements in or relating to circuit breakers
AU156907B2
(en )
1952-05-01
Improvements In or relating to telephone signalling arrangements
AU750152A
(en )
1952-03-20
Improvements in or relating to electric circuits
AU763452A
(en )
1952-03-27
Improvements in or relating to frequency-demodulation circuits
AU1005252A
(en )
1952-07-21
Improvements in or relating to electronic dialling circuits
AU1322252A
(en )
1952-12-11
Improvements in or relating to circuit breakers
AU1274452A
(en )
1952-11-20
Improvements in or relating to circuit breakers
AU155100B2
(en )
1952-11-20
Improvements in or relating to electrical switchgeor
AU826652A
(en )
1952-05-01
Improvements In or relating to telephone signalling arrangements
AU161440B2
(en )
1952-09-04
Improvements in or relating to circuit interrupters
AU154828B2
(en )
1952-07-17
Improvements in or relating to electric filter circuits
AU162436B2
(en )
1953-02-12
Improvements in or relating to levelling circuits
AU161958B2
(en )
1954-12-02
Improvements in or relating to telephone subscriber sets
AU158538B2
(en )
1952-09-04
Improvements in or relating to electrical measuring circuits
AU773052A
(en )
1952-11-20
Improvements in or relating to electrical switchgeor
AU166414B2
(en )
1952-07-24
Improvements in or relating to telephone subscribers metering equipment
AU155202B2
(en )
1952-08-28
Improvements in or relating to electrical capacitors
AU1106252A
(en )
1952-09-04
Improvements in or relating to circuit interrupters
AU165980B2
(en )
1952-07-24
Improvements in or relating to electrical registering equipment