F15C 1/001
Circuit elements having no moving parts: for punched-card machines
Official title: {for punched-card machines (punched-card machines G06K); for typewriters (typewriters B41J); for keyboards; for conveying cards or tape; for conveying through tubes (transport through tubes B65G51/00, B65G53/00); for computers (non-electric computers G06C, G06D, G06G); for DC-AC transducers for information processing (DC-AC converters H02M); for signal transmission (telegraphic apparatus H04L)}
F15C1/001 (Circuit elements having no moving parts: for punched-card machines) appears on 0 US grants and 0 published applications in this corpus.
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