AU113838B2 - Improvements in or relating to electroacoustic devices particularly for telephone systems - Google Patents

Improvements in or relating to electroacoustic devices particularly for telephone systems

Info

Publication number
AU113838B2
AU113838B2 AU3355/40A AU335540A AU113838B2 AU 113838 B2 AU113838 B2 AU 113838B2 AU 3355/40 A AU3355/40 A AU 3355/40A AU 335540 A AU335540 A AU 335540A AU 113838 B2 AU113838 B2 AU 113838B2
Authority
AU
Australia
Prior art keywords
relating
telephone systems
devices particularly
electroacoustic devices
electroacoustic
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
AU3355/40A
Other versions
AU335540A (en
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU113838B2 publication Critical patent/AU113838B2/en
Publication of AU335540A publication Critical patent/AU335540A/en
Expired legal-status Critical Current

Links

AU3355/40A 1940-09-11 Improvements in or relating to electroacoustic devices particularly for telephone systems Expired AU113838B2 (en)

Publications (2)

Publication Number Publication Date
AU113838B2 true AU113838B2 (en) 1941-09-25
AU335540A AU335540A (en) 1941-09-25

Family

ID=

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU634559B2 (en) * 1989-07-20 1993-02-25 Alcatel N.V. Auxiliary power supply for hand-held mobile radio terminal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU634559B2 (en) * 1989-07-20 1993-02-25 Alcatel N.V. Auxiliary power supply for hand-held mobile radio terminal

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