AU253832B2 - Loudspeaker intercommunication systems - Google Patents

Loudspeaker intercommunication systems

Info

Publication number
AU253832B2
AU253832B2 AU8021/61A AU802161A AU253832B2 AU 253832 B2 AU253832 B2 AU 253832B2 AU 8021/61 A AU8021/61 A AU 8021/61A AU 802161 A AU802161 A AU 802161A AU 253832 B2 AU253832 B2 AU 253832B2
Authority
AU
Australia
Prior art keywords
loudspeaker
intercommunication systems
intercommunication
systems
loudspeaker intercommunication
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
AU8021/61A
Other versions
AU802161A (en
Inventor
Willems and Simon Roin Ebertus
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of AU802161A publication Critical patent/AU802161A/en
Publication of AU253832B2 publication Critical patent/AU253832B2/en
Expired legal-status Critical Current

Links

AU8021/61A 1960-08-17 1961-08-14 Loudspeaker intercommunication systems Expired AU253832B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLNL254,957 1960-08-17

Publications (2)

Publication Number Publication Date
AU802161A AU802161A (en) 1963-05-02
AU253832B2 true AU253832B2 (en) 1963-05-02

Family

ID=

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