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US3746994A
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Apparatus for determining the validity of data received by data
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Ribbon shift assembly
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Conversational data terminal having a function repeat capability
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Operational input control mechanism
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Input/output mechanism for keyboard printer unit
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Coaxial reel tape transport system
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IL31533D0
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Magnetic switch assembly for coding information
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IL31497D0
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Keyboard printer character selection unit
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Magnetic switch assembly for coding information
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Keyboard printer character selection unit
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Read-after-write verification of data on magnetic storage medium
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Tape transport assembly
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Nd apparatus for processing data
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US3514679A
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Digital pulse motor control circuit
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