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GB673915A
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Improvements in or relating to typewriters, calculating machines or other office machines
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DE746467C
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Drive shaft for calculating machines with axially movable switching disks
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DE758964C
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Separator pointer for calculating machines
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DE730600C
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Motorized and hand drive for office machines
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DE669883C
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Balancing machine
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GB408907A
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Improvements in or relating to apparatus for printing price labels and the like
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DE610139C
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Reset device for calculating machines or the like.
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DE588831C
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Device for printing price tags u. like
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DE588830C
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Device for printing price tags u. like
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GB386147A
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Improvements in and relating to calculating machines
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DE565704C
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Calculating machine with axially movable indexing discs
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DE578683C
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Calculating machine with transferring the result back to the switchgear
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DE554277C
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Switching mechanism for calculating machines
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DE576881C
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Ten transmission for counters on calculating machines
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US1948958A
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Adding machine frame construction
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US1954618A
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Adding machine printing mechanism
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DE513551C
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Calculating machine with common zeroing of several works
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DE498311C
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Mechanical drive for calculating machines, especially for those with two directions of rotation
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US1895189A
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Calculating machine
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DE463975C
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Calculating machine with a return device between the result counter and the setting mechanism
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