AU214251B2 - Improvements relating to electromagnetic telephone instruments - Google Patents

Improvements relating to electromagnetic telephone instruments

Info

Publication number
AU214251B2
AU214251B2 AU14991/56A AU1499156A AU214251B2 AU 214251 B2 AU214251 B2 AU 214251B2 AU 14991/56 A AU14991/56 A AU 14991/56A AU 1499156 A AU1499156 A AU 1499156A AU 214251 B2 AU214251 B2 AU 214251B2
Authority
AU
Australia
Prior art keywords
improvements relating
telephone instruments
electromagnetic telephone
electromagnetic
instruments
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
AU14991/56A
Other versions
AU1499156A (en
Inventor
Ernest Charles Brown Ronald
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 AU1499156A publication Critical patent/AU1499156A/en
Publication of AU214251B2 publication Critical patent/AU214251B2/en
Expired legal-status Critical Current

Links

AU14991/56A 1956-01-06 Improvements relating to electromagnetic telephone instruments Expired AU214251B2 (en)

Publications (2)

Publication Number Publication Date
AU1499156A AU1499156A (en) 1956-07-12
AU214251B2 true AU214251B2 (en) 1956-07-12

Family

ID=

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