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"Brown's Understrike Machine"...
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3) "Remington Standard"...
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3ⅹ"Remington"...
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2ⅹ"The Noiseless" 1914年...
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"Harris"＆"Rex"...
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"The Fox No.1"和3台全键盘打字机...
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"Halda No.4" 1905年...
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"Yetman Telegraph Transmitting Typewriter" ...
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