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AU110579B2 - Improvements in telephone instrument circuits - Google Patents
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AU110579B2 - Improvements in telephone instrument circuits - Google Patents

Improvements in telephone instrument circuits

Info

Publication number
AU110579B2
AU110579B2 AU2988/39A AU298839A AU110579B2 AU 110579 B2 AU110579 B2 AU 110579B2 AU 2988/39 A AU2988/39 A AU 2988/39A AU 298839 A AU298839 A AU 298839A AU 110579 B2 AU110579 B2 AU 110579B2
Authority
AU
Australia
Prior art keywords
telephone instrument
instrument circuits
circuits
telephone
instrument
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 - Lifetime
Application number
AU2988/39A
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.)
Associated Electric Laboratories Inc
Original Assignee
Associated Electric Laboratories Inc
Filing date
Publication of AU110579B2 publication Critical patent/AU110579B2/en
Application filed by Associated Electric Laboratories Inc filed Critical Associated Electric Laboratories Inc
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

AU2988/39A 1939-07-01 Improvements in telephone instrument circuits Expired - Lifetime AU110579B2 (en)

Publications (1)

Publication Number Publication Date
AU110579B2 true AU110579B2 (en)

Family

ID=

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