IT1039630B -
MEMBRANE PARTICULARLY FOR SPEAKERS, MICROPHONES OR SIMILAR AND PROCEDURE AND DEVICE TO MAKE THE SAME MEMBRANE
- Google Patents
MEMBRANE PARTICULARLY FOR SPEAKERS, MICROPHONES OR SIMILAR AND PROCEDURE AND DEVICE TO MAKE THE SAME MEMBRANE
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Publication number
IT1039630B
IT1039630BIT2509175AIT2509175AIT1039630BIT 1039630 BIT1039630 BIT 1039630BIT 2509175 AIT2509175 AIT 2509175AIT 2509175 AIT2509175 AIT 2509175AIT 1039630 BIT1039630 BIT 1039630B
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Application filed by Meazza EttorefiledCriticalMeazza Ettore
Priority to IT2509175ApriorityCriticalpatent/IT1039630B/en
Application grantedgrantedCritical
Publication of IT1039630BpublicationCriticalpatent/IT1039630B/en
IT2509175A1975-07-041975-07-04
MEMBRANE PARTICULARLY FOR SPEAKERS, MICROPHONES OR SIMILAR AND PROCEDURE AND DEVICE TO MAKE THE SAME MEMBRANE
IT1039630B
(en)