AU406988B2 - Circuit arrangement fora key-controlled intercommunication system - Google Patents

Circuit arrangement fora key-controlled intercommunication system

Info

Publication number
AU406988B2
AU406988B2 AU4478/66A AU447866A AU406988B2 AU 406988 B2 AU406988 B2 AU 406988B2 AU 4478/66 A AU4478/66 A AU 4478/66A AU 447866 A AU447866 A AU 447866A AU 406988 B2 AU406988 B2 AU 406988B2
Authority
AU
Australia
Prior art keywords
key
circuit arrangement
intercommunication system
arrangement fora
controlled
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
AU4478/66A
Other versions
AU447866A (en
Inventor
MATTRICH and HEINRICH BODENSCHATZ 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 AU447866A publication Critical patent/AU447866A/en
Publication of AU406988B2 publication Critical patent/AU406988B2/en
Expired legal-status Critical Current

Links

AU4478/66A 1965-04-28 1960-04-20 Circuit arrangement fora key-controlled intercommunication system Expired AU406988B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEDE28473 1965-04-28

Publications (2)

Publication Number Publication Date
AU447866A AU447866A (en) 1967-10-26
AU406988B2 true AU406988B2 (en) 1967-10-26

Family

ID=

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