BR8307405A - Transdutor eletroacustico com diafragma e esboco para o mesmo
- Google Patents
Transdutor eletroacustico com diafragma e esboco para o mesmo
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Publication number
BR8307405A
BR8307405ABR8307405ABR8307405ABR8307405ABR 8307405 ABR8307405 ABR 8307405ABR 8307405 ABR8307405 ABR 8307405ABR 8307405 ABR8307405 ABR 8307405ABR 8307405 ABR8307405 ABR 8307405A
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Priority claimed from US06/389,423external-prioritypatent/US4491698A/en
Application filed by David A LarsonfiledCriticalDavid A Larson
Publication of BR8307405ApublicationCriticalpatent/BR8307405A/pt