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Full Version: HP 20B/30B Programming Cable
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rallyrabbit

01-26-2021, 11:50 AM
Thought it might be worth a try, looking for a programming cable for the 20B/30B..... I'd be interested in anything anyone has.

Thanks
HP Forums > HP Calculators (and very old HP Computers) > Classifieds > HP 20B/30B Programming Cable
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