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CA762787A
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High speed card punch mechanism
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CA639985A
|
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Hot wire reader
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CA671909A
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Latched tape reader
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CA624167A
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Reversible pawl and ratchet drive for a punch
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CA670629A
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Coding keyboard mechanism
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CA625022A
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Ultra-high speed punch
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CA769993A
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Card feed mechanism
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CA617236A
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High speed punch device
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CA785126A
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Punch and tape feed verifying apparatus
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CA574192A
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Perforated member sensing mechanism
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CA700446A
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Medium-speed serial printer
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CA668698A
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Ultra-high speed punch
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CA772041A
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Card feeding, transporting and stacking mechanism and control
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