Deprecated: The each() function is deprecated. This message will be suppressed on further calls in /home/zhenxiangba/zhenxiangba.com/public_html/phproxy-improved-master/index.php on line 456
AU221585B2 - Improvements relating to keysenders ofthe kind used in telephone systems - Google Patents
[go: Go Back, main page]

AU221585B2 - Improvements relating to keysenders ofthe kind used in telephone systems - Google Patents

Improvements relating to keysenders ofthe kind used in telephone systems

Info

Publication number
AU221585B2
AU221585B2 AU25819/57A AU2581957A AU221585B2 AU 221585 B2 AU221585 B2 AU 221585B2 AU 25819/57 A AU25819/57 A AU 25819/57A AU 2581957 A AU2581957 A AU 2581957A AU 221585 B2 AU221585 B2 AU 221585B2
Authority
AU
Australia
Prior art keywords
keysenders
improvements relating
telephone systems
kind used
ofthe kind
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
AU25819/57A
Other versions
AU2581957A (en
Inventor
James Warman Bloomfield
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.)
Siemens Edison Swan Ltd
Original Assignee
Siemens Edison Swan Ltd
Filing date
Publication date
Application filed by Siemens Edison Swan Ltd filed Critical Siemens Edison Swan Ltd
Application granted granted Critical
Publication of AU221585B2 publication Critical patent/AU221585B2/en
Publication of AU2581957A publication Critical patent/AU2581957A/en
Expired legal-status Critical Current

Links

AU25819/57A 1957-02-28 Improvements relating to keysenders ofthe kind used in telephone systems Expired AU221585B2 (en)

Publications (2)

Publication Number Publication Date
AU221585B2 true AU221585B2 (en) 1957-08-29
AU2581957A AU2581957A (en) 1957-08-29

Family

ID=

Similar Documents

Publication Publication Date Title
AU221585B2 (en) Improvements relating to keysenders ofthe kind used in telephone systems
AU2581957A (en) Improvements relating to keysenders ofthe kind used in telephone systems
AU220239B2 (en) Improvements in or relating to telephone systems
AU215571B2 (en) Improvements in or relating to telephone or like systems
AU3093657A (en) Improvements in or relating to telephone systems
AU216376B2 (en) Improvements in or relating to telecommunication systems
AU2641157A (en) Improvements in or relating to telephone or like systems
AU221588B2 (en) Improvements relating to telephone systems
AU219986B2 (en) Improvements relating to telephone systems
AU222606B2 (en) Improvements relating to telephone systems
AU214701B2 (en) Improvements in telephone systems
AU221000B2 (en) Improvements in telephone systems
AU219945B2 (en) Improvements in telephone systems
AU217337B2 (en) Improvements in telephone systems
AU216847B2 (en) Improvements in telephone systems
AU215819B2 (en) Improvements in telephone systems
AU2458157A (en) Improvements in or relating to telecommunication systems
AU217768B2 (en) Improvements in or relating to communication systems
AU215721B2 (en) Improvements in or relating to telephone systems
AU2706457A (en) Improvements relating to telephone systems
AU2614257A (en) Improvements relating to telephone systems
AU2792057A (en) Improvements relating to telephone systems
AU222677B2 (en) Improvements in or relating to telephone transmitters
AU2697957A (en) Improvements in telephone systems
AU2825357A (en) Improvements in telephone systems