AU444122B2 - Intercommunication system - Google Patents

Intercommunication system

Info

Publication number
AU444122B2
AU444122B2 AU18118/70A AU1811870A AU444122B2 AU 444122 B2 AU444122 B2 AU 444122B2 AU 18118/70 A AU18118/70 A AU 18118/70A AU 1811870 A AU1811870 A AU 1811870A AU 444122 B2 AU444122 B2 AU 444122B2
Authority
AU
Australia
Prior art keywords
intercommunication system
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
AU18118/70A
Other versions
AU1811870A (en
Inventor
Dittrich Edgar
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 filed Critical
Application granted granted Critical
Publication of AU444122B2 publication Critical patent/AU444122B2/en
Publication of AU1811870A publication Critical patent/AU1811870A/en
Expired legal-status Critical Current

Links

AU18118/70A 1969-07-31 1970-07-28 Intercommunication system Expired AU444122B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEDE819389 1969-07-31

Publications (2)

Publication Number Publication Date
AU444122B2 true AU444122B2 (en) 1972-02-03
AU1811870A AU1811870A (en) 1972-02-03

Family

ID=

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