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GB524003A
(en)
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Improvements in or relating to telephone systems
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SE185753C1
(member.php)
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US1896538A
(en)
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Tabulating machine
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FI60322C
(fi)
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Kodnings- och kodtolkningsapparat i form av en skrivmaskin
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US3057955A
(en)
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Cryptographic ancillary equipment
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US2930529A
(en)
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Laboissiere |
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US2679975A
(en)
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Automatic binary calculating machine for matricial calculation
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US2668009A
(en)
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Ticket printing and accounting system
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US2950462A
(en)
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Device for automatically recording information in dependence upon previously enteredcode
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US3009639A
(en)
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Electrical calculation circuit
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US3102254A
(en)
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Apparatus for minimizing coding errors
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US2765116A
(en)
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Data storing apparatus for business machines, particularly accounting machines or the like
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US3202350A
(en)
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Digital printing system
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JPS5736341A
(en)
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Electronic cash register
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US1487703A
(en)
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Calculating machine
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US3127504A
(en)
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Sszoii |
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US1933349A
(en)
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Automatic control system for tabulators
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US2019863A
(en)
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Tabulating machine
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US2234291A
(en)
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Printing mechanism |
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US2034791A
(en)
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Statistical tabulating and printing telegraph system
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US504732A
(en)
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And louis |
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US969527A
(en)
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Printing-telegraph.
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US1680740A
(en)
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Printing tabulator
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US2698426A
(en)
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Pulse responsive selector
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US1041536A
(en)
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Telephone-call recorder.
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