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SE71253C1
(enExample)
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US1921407A
(en)
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Telegraph transmitting apparatus
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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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US2110506A
(en)
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Start-stop telegraph
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US2234832A
(en)
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Photoelectric 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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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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US2003325A
(en)
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Telegraph system
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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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US2126397A
(en)
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Automatic tape transmitter
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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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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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US1289900A
(en)
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Telegraph-transmitter.
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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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