RO72611A2 - Instalatie de telefonie cu apel selectiv centralizat in frecventa vocala - Google Patents

Instalatie de telefonie cu apel selectiv centralizat in frecventa vocala

Info

Publication number
RO72611A2
RO72611A2 RO7790989A RO9098977A RO72611A2 RO 72611 A2 RO72611 A2 RO 72611A2 RO 7790989 A RO7790989 A RO 7790989A RO 9098977 A RO9098977 A RO 9098977A RO 72611 A2 RO72611 A2 RO 72611A2
Authority
RO
Romania
Prior art keywords
vocal
centralized
fraction
telephone installation
selective telephone
Prior art date
Application number
RO7790989A
Other languages
English (en)
French (fr)
Inventor
Nicolae Percium
Alexandru Popescu
Constantin Pirtulescu
Maria L Manolescu
Original Assignee
Institutul De Cercetari Si Proiectari Tehnologice In Transporturi,Ro
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 Institutul De Cercetari Si Proiectari Tehnologice In Transporturi,Ro filed Critical Institutul De Cercetari Si Proiectari Tehnologice In Transporturi,Ro
Priority to RO7790989A priority Critical patent/RO72611A2/ro
Publication of RO72611A2 publication Critical patent/RO72611A2/ro

Links

RO7790989A 1977-07-11 1977-07-11 Instalatie de telefonie cu apel selectiv centralizat in frecventa vocala RO72611A2 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO7790989A RO72611A2 (ro) 1977-07-11 1977-07-11 Instalatie de telefonie cu apel selectiv centralizat in frecventa vocala

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO7790989A RO72611A2 (ro) 1977-07-11 1977-07-11 Instalatie de telefonie cu apel selectiv centralizat in frecventa vocala

Publications (1)

Publication Number Publication Date
RO72611A2 true RO72611A2 (ro) 1981-06-30

Family

ID=20097967

Family Applications (1)

Application Number Title Priority Date Filing Date
RO7790989A RO72611A2 (ro) 1977-07-11 1977-07-11 Instalatie de telefonie cu apel selectiv centralizat in frecventa vocala

Country Status (1)

Country Link
RO (1) RO72611A2 (ro)

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