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
AU124108B2 - Improvements relating to telephone systems - Google Patents
[go: Go Back, main page]

AU124108B2 - Improvements relating to telephone systems - Google Patents

Improvements relating to telephone systems

Info

Publication number
AU124108B2
AU124108B2 AU17665/44A AU1766544A AU124108B2 AU 124108 B2 AU124108 B2 AU 124108B2 AU 17665/44 A AU17665/44 A AU 17665/44A AU 1766544 A AU1766544 A AU 1766544A AU 124108 B2 AU124108 B2 AU 124108B2
Authority
AU
Australia
Prior art keywords
improvements relating
telephone systems
telephone
relating
systems
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
AU17665/44A
Other versions
AU1766544A (en
Inventor
Adam Christian David
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 Brothers and Co Ltd
Original Assignee
Siemens Brothers and Co Ltd
Filing date
Publication date
Application filed by Siemens Brothers and Co Ltd filed Critical Siemens Brothers and Co Ltd
Application granted granted Critical
Publication of AU1766544A publication Critical patent/AU1766544A/en
Publication of AU124108B2 publication Critical patent/AU124108B2/en
Expired legal-status Critical Current

Links

AU17665/44A 1944-11-20 Improvements relating to telephone systems Expired AU124108B2 (en)

Publications (2)

Publication Number Publication Date
AU1766544A AU1766544A (en) 1947-05-08
AU124108B2 true AU124108B2 (en) 1947-05-08

Family

ID=

Similar Documents

Publication Publication Date Title
AU124108B2 (en) Improvements relating to telephone systems
AU1766544A (en) Improvements relating to telephone systems
CA424315A (en) Telephone system
CA423180A (en) Telephone system
CA420938A (en) Telephone system
CA420937A (en) Telephone system
CA420570A (en) Telephone system
CA420335A (en) Telephone system
CA419526A (en) Telephone system
CA418617A (en) Telephone system
CA417943A (en) Telephone system
CA418339A (en) Telephone system
CA422286A (en) Telephone system
CA418615A (en) Telephone system
CA422884A (en) Telephone system
CA422195A (en) Telephone system
CA421423A (en) Telephone system
CA418315A (en) Telephone system
CA422885A (en) Telephone system
CA423174A (en) Telephone system
CA423179A (en) Telephone system
CA424759A (en) Telephone system
CA422193A (en) Telephone system
CA423181A (en) Telephone system
CA422031A (en) Telephone system