Patent classifications
G
PHYSICS
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G11
INFORMATION STORAGE
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G11B
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
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27/00
Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
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G11B27/10
Indexing; Addressing; Timing or synchronising; Measuring tape travel
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G11B27/34
Indicating arrangements
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