BR8403608A - IMPROVEMENT IN TELEPHONE EXTENSION BLOCKER - Google Patents

IMPROVEMENT IN TELEPHONE EXTENSION BLOCKER

Info

Publication number
BR8403608A
BR8403608A BR8403608A BR8403608A BR8403608A BR 8403608 A BR8403608 A BR 8403608A BR 8403608 A BR8403608 A BR 8403608A BR 8403608 A BR8403608 A BR 8403608A BR 8403608 A BR8403608 A BR 8403608A
Authority
BR
Brazil
Prior art keywords
improvement
telephone extension
extension blocker
blocker
telephone
Prior art date
Application number
BR8403608A
Other languages
Portuguese (pt)
Inventor
Tsumeo Maeda
Original Assignee
Embracom Eletronica S A
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 Embracom Eletronica S A filed Critical Embracom Eletronica S A
Priority to BR8403608A priority Critical patent/BR8403608A/en
Publication of BR8403608A publication Critical patent/BR8403608A/en

Links

BR8403608A 1984-07-20 1984-07-20 IMPROVEMENT IN TELEPHONE EXTENSION BLOCKER BR8403608A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR8403608A BR8403608A (en) 1984-07-20 1984-07-20 IMPROVEMENT IN TELEPHONE EXTENSION BLOCKER

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR8403608A BR8403608A (en) 1984-07-20 1984-07-20 IMPROVEMENT IN TELEPHONE EXTENSION BLOCKER

Publications (1)

Publication Number Publication Date
BR8403608A true BR8403608A (en) 1985-02-20

Family

ID=4036071

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8403608A BR8403608A (en) 1984-07-20 1984-07-20 IMPROVEMENT IN TELEPHONE EXTENSION BLOCKER

Country Status (1)

Country Link
BR (1) BR8403608A (en)

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