IT1124912B -
IMPROVEMENT OF SPEAKER SPEAKERS, SECTOR DIFFUSION, AND METHOD FOR THE PRODUCTION OF SPEAKERS
- Google Patents
IMPROVEMENT OF SPEAKER SPEAKERS, SECTOR DIFFUSION, AND METHOD FOR THE PRODUCTION OF SPEAKERS
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Publication number
IT1124912B
IT1124912BIT27022/79AIT2702279AIT1124912BIT 1124912 BIT1124912 BIT 1124912BIT 27022/79 AIT27022/79 AIT 27022/79AIT 2702279 AIT2702279 AIT 2702279AIT 1124912 BIT1124912 BIT 1124912B
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Application filed by Mario CesatifiledCriticalMario Cesati
Priority to IT27022/79ApriorityCriticalpatent/IT1124912B/en
Publication of IT7927022A0publicationCriticalpatent/IT7927022A0/en
Application grantedgrantedCritical
Publication of IT1124912BpublicationCriticalpatent/IT1124912B/en