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2549145
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Information
Patent Grant
2549145
References
Source
Patent Number
2,549,145
Date Filed
Not available
Date Issued
Tuesday, April 17, 1951
73 years ago
CPC
G10H3/09 - using tapes or wires
Y10S84/29 - Tape
US Classifications
084 - Music
360 - Dynamic magnetic information storage or retrieval
984 - Musical instruments
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