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BR7301740U - Improvement in tele-signaling system via telephone line - Google Patents

Improvement in tele-signaling system via telephone line

Info

Publication number
BR7301740U
BR7301740U BR7301740U BR7301740U BR7301740U BR 7301740 U BR7301740 U BR 7301740U BR 7301740 U BR7301740 U BR 7301740U BR 7301740 U BR7301740 U BR 7301740U BR 7301740 U BR7301740 U BR 7301740U
Authority
BR
Brazil
Prior art keywords
tele
improvement
telephone line
system via
signaling system
Prior art date
Application number
BR7301740U
Other languages
Portuguese (pt)
Inventor
De Souza Paulo Renato Ketzer
Original Assignee
De Souza Paulo Renato Ketzer
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 De Souza Paulo Renato Ketzer filed Critical De Souza Paulo Renato Ketzer
Priority to BR7301740U priority Critical patent/BR7301740U/en
Publication of BR7301740U publication Critical patent/BR7301740U/en

Links

BR7301740U 1993-08-26 1993-08-26 Improvement in tele-signaling system via telephone line BR7301740U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR7301740U BR7301740U (en) 1993-08-26 1993-08-26 Improvement in tele-signaling system via telephone line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR7301740U BR7301740U (en) 1993-08-26 1993-08-26 Improvement in tele-signaling system via telephone line

Publications (1)

Publication Number Publication Date
BR7301740U true BR7301740U (en) 1995-05-23

Family

ID=3988854

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7301740U BR7301740U (en) 1993-08-26 1993-08-26 Improvement in tele-signaling system via telephone line

Country Status (1)

Country Link
BR (1) BR7301740U (en)

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Legal Events

Date Code Title Description
EG Technical examination (opinion): publication of technical examination (opinion)
ND Extension of time allowed
FC Decision: refusal