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2889491
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Information
Patent Grant
2889491
References
Source
Patent Number
2,889,491
Date Filed
Not available
Date Issued
Tuesday, June 2, 1959
65 years ago
CPC
G11B23/06 - for housing endless webs or filaments
G06K1/10 - Tape punches
G11B25/06 - using web-form record carriers
US Classifications
361 - Electricity: electrical systems and devices
053 - Package making
178 - Telegraphy
226 - Advancing material of indeterminate length
360 - Dynamic magnetic information storage or retrieval
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