SE71253C1
(cs)
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US1932932A
(en)
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Start-stop telegraph system and apparatus therefor
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US2093873A
(en)
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Translating mechanism for type printing telegraphs and like apparatus
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US1800973A
(en)
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Mechanical translating apparatus for printing-telegraph systems
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US2167528A
(en)
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Telegraph transmitter
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US2574362A
(en)
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Telegraph transmitter with message numbering
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US2585041A
(en)
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Printing telegraph receiver
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US1587389A
(en)
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Condenser
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GB476123A
(en)
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Improvements in or relating to start stop telegraph apparatus
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US2206665A
(en)
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Communication system
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US2150240A
(en)
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Communication system
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US2355437A
(en)
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Register translator or like device
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US2537168A
(en)
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Code converter
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GB502521A
(en)
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Improvements in or relating to transmitters for step-by-step telegraph systems
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GB364264A
(en)
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Improvements in telegraphic systems
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GB506814A
(en)
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Improvements in or relating to type printing telegraph apparatus
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US2491790A
(en)
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Automatic telephone calling system
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US2189545A
(en)
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Keyboard perforator and counter
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US1177694A
(en)
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Telegraphic type-printing receiver.
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US2331916A
(en)
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Photographic apparatus
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US2130400A
(en)
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Transmitting apparatus in teleprinters
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GB392572A
(en)
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Improvements in variable speed gearing
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US2266028A
(en)
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Printing telegraph transmitter and perforator
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US1984317A
(en)
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Keyboard perforator and counter
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DE608546C
(de)
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Sender fuer Fernschreibmaschinen
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