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SE70361C1
(https=)
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CH215769A
(de)
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Kathode für Elektronenröhren.
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SU37641A1
(ru)
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Приспособление к крутильным веретенам дл торможени пр жи
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SU23507A1
(ru)
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Способ приготовлени фосфоресцирующих веществ
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CH213130A
(de)
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Kathodenstrahlenröhre mit elektrostatischer Strahlenablenkvorrichtung.
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GB325990A
(en)
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Improvements in or relating to wire stranding machines
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SU12156A1
(ru)
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Рентгеновска трубка
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GB817055A
(en)
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Improvements in or relating to tubular constructions of helically preformed elements
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SU16173A1
(ru)
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Машина дл сбора хлопка
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SU21104A1
(ru)
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Способ изготовлени колец из проволоки
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GB306513A
(en)
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Improvements in cathodes for electron discharge devices
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DK58566C
(da)
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Katodestraalerør med elektrostatisk Afbøjning.
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FR857663A
(fr)
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Machine à refouler le plomb sous pression, pour la fabrication de tubes et le chemisage des câbles
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CA288411A
(en)
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Tube, rod, wire and band making machine
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CH203347A
(de)
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Verbindung für Rohre ohne Gewinde.
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CH197248A
(de)
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Ringspinn- bezw. Ringzwirnmaschine.
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CA271388A
(en)
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Electron tube
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CA356783A
(en)
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Spinning, doubling and twisting machinery
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CA292364A
(en)
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Manufacture of thread, filament, etc.
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ES142098A1
(es)
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Perfeccionamientos en la construcción de aparatos con tubos de rayos catódicos.
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CA299786A
(en)
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Superheater header
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AU106648B2
(en)
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Photoelectric tubes
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CA385126A
(en)
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Tube sizing mill roll
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CA309118A
(en)
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Polyphase electron tube generator
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CA285250A
(en)
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Electron tube with four electrodes
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