BR7408085D0 - Aperfeicoamentos em alto-falantes - Google Patents

Aperfeicoamentos em alto-falantes

Info

Publication number
BR7408085D0
BR7408085D0 BR808574A BR808574A BR7408085D0 BR 7408085 D0 BR7408085 D0 BR 7408085D0 BR 808574 A BR808574 A BR 808574A BR 808574 A BR808574 A BR 808574A BR 7408085 D0 BR7408085 D0 BR 7408085D0
Authority
BR
Brazil
Prior art keywords
speaker
speaker improvements
Prior art date
Application number
BR808574A
Other languages
English (en)
Inventor
F Broffel
Original Assignee
Cia Metalurgica Estampex
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 Cia Metalurgica Estampex filed Critical Cia Metalurgica Estampex
Priority to BR808574A priority Critical patent/BR7408085D0/pt
Publication of BR7408085D0 publication Critical patent/BR7408085D0/pt

Links

BR808574A 1974-09-27 1974-09-27 Aperfeicoamentos em alto-falantes BR7408085D0 (pt)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR808574A BR7408085D0 (pt) 1974-09-27 1974-09-27 Aperfeicoamentos em alto-falantes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR808574A BR7408085D0 (pt) 1974-09-27 1974-09-27 Aperfeicoamentos em alto-falantes

Publications (1)

Publication Number Publication Date
BR7408085D0 true BR7408085D0 (pt) 1975-01-07

Family

ID=3941052

Family Applications (1)

Application Number Title Priority Date Filing Date
BR808574A BR7408085D0 (pt) 1974-09-27 1974-09-27 Aperfeicoamentos em alto-falantes

Country Status (1)

Country Link
BR (1) BR7408085D0 (pt)

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