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GB1487799A
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Means for displacing a platen
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US4020758A
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Type carrier arrangement for roller printing
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DE2460436A1
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Slide-in cassette for printed circuit boards - allows easy removal of board by screwing it onto ledges inside enclosed frame
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DE2456989B1
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SWITCHING DEVICE FOR THE LONGITUDINAL FEED OF A RIBBON
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DE2410302A1
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Selector unit for rotatable type drum - has two type shafts bearing type which can be applied to neighbouring platen
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DE2406544A1
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Type carrier for roller printer - has continuously rotating type drum with type carriers having gear wheel segments
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US3821672A
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Magnet arrangement for data processing devices
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US3878781A
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Roller printer
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DE2340791A1
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Flat push-button switch with button depressed against spring force - has upward arched helical contact spring pushed down by button head
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DE2340292A1
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Address retrieval from magnetic tape - has four criteria system for forwards and backwards movement and reading and retrieval
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DE2317641A1
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ROLL PRINTER
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GB1373879A
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Circuit arrangement for the interpretation of the content of a register of an arithmetic unit of data processing apparatus as an instruction
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