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AU142187B2 - Improvements in or relating to sound amplification systems - Google Patents
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AU142187B2 - Improvements in or relating to sound amplification systems - Google Patents

Improvements in or relating to sound amplification systems

Info

Publication number
AU142187B2
AU142187B2 AU17709/48A AU1770948A AU142187B2 AU 142187 B2 AU142187 B2 AU 142187B2 AU 17709/48 A AU17709/48 A AU 17709/48A AU 1770948 A AU1770948 A AU 1770948A AU 142187 B2 AU142187 B2 AU 142187B2
Authority
AU
Australia
Prior art keywords
relating
sound amplification
amplification systems
sound
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
AU17709/48A
Other versions
AU1770948A (en
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU1770948A publication Critical patent/AU1770948A/en
Publication of AU142187B2 publication Critical patent/AU142187B2/en
Expired legal-status Critical Current

Links

AU17709/48A 1948-01-13 Improvements in or relating to sound amplification systems Expired AU142187B2 (en)

Publications (2)

Publication Number Publication Date
AU1770948A AU1770948A (en) 1948-02-26
AU142187B2 true AU142187B2 (en) 1948-02-26

Family

ID=

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