AU250226B2 - Improvements in or relating to electrical signalling devices - Google Patents

Improvements in or relating to electrical signalling devices

Info

Publication number
AU250226B2
AU250226B2 AU1960/61A AU196061A AU250226B2 AU 250226 B2 AU250226 B2 AU 250226B2 AU 1960/61 A AU1960/61 A AU 1960/61A AU 196061 A AU196061 A AU 196061A AU 250226 B2 AU250226 B2 AU 250226B2
Authority
AU
Australia
Prior art keywords
relating
signalling devices
electrical signalling
electrical
devices
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
AU1960/61A
Other versions
AU196061A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
V&E Friedland Ltd
Original Assignee
V&E Friedland Ltd
Filing date
Publication date
Application filed by V&E Friedland Ltd filed Critical V&E Friedland Ltd
Application granted granted Critical
Publication of AU196061A publication Critical patent/AU196061A/en
Publication of AU250226B2 publication Critical patent/AU250226B2/en
Expired legal-status Critical Current

Links

AU1960/61A 1961-02-28 Improvements in or relating to electrical signalling devices Expired AU250226B2 (en)

Publications (2)

Publication Number Publication Date
AU196061A AU196061A (en) 1963-02-28
AU250226B2 true AU250226B2 (en) 1963-02-28

Family

ID=

Similar Documents

Publication Publication Date Title
AU263451B2 (en) Improvements in or relating to electrical signalling devices
AU250226B2 (en) Improvements in or relating to electrical signalling devices
AU1481062A (en) Improvements in or relating to electrical signalling devices
AU196061A (en) Improvements in or relating to electrical signalling devices
AU263938B2 (en) Improvements in or relating to electrical signalling systems
AU1493662A (en) Improvements in or relating to electrical signalling systems
AU265480B2 (en) Improvements in or relating to electrical circuits
AU246150B2 (en) Improvements in or relating to electrical indicating systems
AU242949B2 (en) Improvements in or relating to electrical connections
AU260535B2 (en) Improvements in or relating to electrical insulators
AU277609B2 (en) Improvements in electrical signalling systems
AU262158B2 (en) Improvements in or relating to electrical relays
AU254417B2 (en) Improvements in or relating to electrical signalling systems
AU252724B2 (en) N improvements in or relating to electrical circuits
AU264443B2 (en) Improvements in or relating to semi conductor devices
AU255052B2 (en) Improvements in or relating to electrical contact members
AU268328B2 (en) Improvements in or relating to electric circuit elements
AU252238B2 (en) Improvements in or relating to electrical indicating circuit
AU287984B2 (en) Improvements in or relating to electrical signalling systems
AU275034B2 (en) Improvements in or relating to electrical signalling systems
CA617082A (en) Electric signalling
AU2475362A (en) Improvements in or relating to electrical circuits
AU244108B2 (en) Improvements in or relating to commutators
AU744361A (en) Improvements in or relating to electrical indicating systems
AU261514B2 (en) Improvements in or relating to electrical conduits