BR7207288D0 - Composicoes piezoeletricas - Google Patents

Composicoes piezoeletricas

Info

Publication number
BR7207288D0
BR7207288D0 BR728872A BR728872A BR7207288D0 BR 7207288 D0 BR7207288 D0 BR 7207288D0 BR 728872 A BR728872 A BR 728872A BR 728872 A BR728872 A BR 728872A BR 7207288 D0 BR7207288 D0 BR 7207288D0
Authority
BR
Brazil
Prior art keywords
piezoelectric composites
composites
piezoelectric
Prior art date
Application number
BR728872A
Other languages
English (en)
Inventor
J Ciarrapico
Original Assignee
J Ciarrapico
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 J Ciarrapico filed Critical J Ciarrapico
Publication of BR7207288D0 publication Critical patent/BR7207288D0/pt

Links

BR728872A 1971-12-01 1972-10-18 Composicoes piezoeletricas BR7207288D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AR23936771 1971-12-01

Publications (1)

Publication Number Publication Date
BR7207288D0 true BR7207288D0 (pt) 1973-09-25

Family

ID=3462259

Family Applications (1)

Application Number Title Priority Date Filing Date
BR728872A BR7207288D0 (pt) 1971-12-01 1972-10-18 Composicoes piezoeletricas

Country Status (2)

Country Link
BR (1) BR7207288D0 (pt)
ES (1) ES407605A1 (pt)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112457011A (zh) * 2020-12-13 2021-03-09 贵州振华红云电子有限公司 扬声器用四元系压电陶瓷及其制备方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112457011A (zh) * 2020-12-13 2021-03-09 贵州振华红云电子有限公司 扬声器用四元系压电陶瓷及其制备方法

Also Published As

Publication number Publication date
ES407605A1 (es) 1975-11-01

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