BR6683859D0 - Aperfeicoamentos em sistemas telefonicos - Google Patents

Aperfeicoamentos em sistemas telefonicos

Info

Publication number
BR6683859D0
BR6683859D0 BR18385966A BR18385966A BR6683859D0 BR 6683859 D0 BR6683859 D0 BR 6683859D0 BR 18385966 A BR18385966 A BR 18385966A BR 18385966 A BR18385966 A BR 18385966A BR 6683859 D0 BR6683859 D0 BR 6683859D0
Authority
BR
Brazil
Prior art keywords
telephone systems
telephone
systems
Prior art date
Application number
BR18385966A
Other languages
English (en)
Inventor
Telephone & Eletric Co Ltd Automatic
Original Assignee
Automatic Telephone & Eletric
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 Automatic Telephone & Eletric filed Critical Automatic Telephone & Eletric
Publication of BR6683859D0 publication Critical patent/BR6683859D0/pt

Links

BR18385966A 1965-10-21 1966-10-20 Aperfeicoamentos em sistemas telefonicos BR6683859D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4455165A GB1158319A (en) 1965-10-21 1965-10-21 Improvements in or relating to Telephone Systems.

Publications (1)

Publication Number Publication Date
BR6683859D0 true BR6683859D0 (pt) 1973-04-17

Family

ID=10433824

Family Applications (1)

Application Number Title Priority Date Filing Date
BR18385966A BR6683859D0 (pt) 1965-10-21 1966-10-20 Aperfeicoamentos em sistemas telefonicos

Country Status (2)

Country Link
BR (1) BR6683859D0 (pt)
GB (1) GB1158319A (pt)

Also Published As

Publication number Publication date
GB1158319A (en) 1969-07-16

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