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AU153869B2 - Improvements in or relating to telephone amplifiers - Google Patents

Improvements in or relating to telephone amplifiers

Info

Publication number
AU153869B2
AU153869B2 AU38823/50A AU3882350A AU153869B2 AU 153869 B2 AU153869 B2 AU 153869B2 AU 38823/50 A AU38823/50 A AU 38823/50A AU 3882350 A AU3882350 A AU 3882350A AU 153869 B2 AU153869 B2 AU 153869B2
Authority
AU
Australia
Prior art keywords
relating
telephone amplifiers
amplifiers
telephone
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
AU38823/50A
Other versions
AU3882350A (en
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.)
WILFRID CHARLES JULIAN HALFORD
Original Assignee
WILFRID CHARLES JULIAN HALFORD
Filing date
Publication date
Application filed by WILFRID CHARLES JULIAN HALFORD filed Critical WILFRID CHARLES JULIAN HALFORD
Application granted granted Critical
Publication of AU153869B2 publication Critical patent/AU153869B2/en
Publication of AU3882350A publication Critical patent/AU3882350A/en
Expired legal-status Critical Current

Links

AU38823/50A 1950-12-21 Improvements in or relating to telephone amplifiers Expired AU153869B2 (en)

Publications (2)

Publication Number Publication Date
AU153869B2 true AU153869B2 (en) 1951-02-22
AU3882350A AU3882350A (en) 1951-02-22

Family

ID=

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