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2231938
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Information
Patent Grant
2231938
References
Source
Patent Number
2,231,938
Date Filed
Not available
Date Issued
Tuesday, February 18, 1941
83 years ago
CPC
G11B27/10 - Indexing Addressing Timing or synchronising Measuring tape travel
G11B3/00 - Recording by mechanical cutting, deforming or pressing
G11B3/06 - Determining or indicating positions of head
G11B33/02 - Cabinets Cases Stands Disposition of apparatus therein or thereon
US Classifications
369 - Dynamic information storage or retrieval
116 - Signals and indicators
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