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Apparatus for controlling and preventing oil blowouts
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JPH0134845B2
(https=)
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(ru)
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Устройство дл продувки расплава металла газом через стенку металлургической емкости с расплавом
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Gas meter changing device
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(https=)
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(ko)
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(de)
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Verfahren zum Betrieb einer Schüttgutschleuse
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(en)
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Method for operating a coke-oven battery
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(https=)
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(no)
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En-atmosfaerisk kammer.
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Safety device for the compensation of leaks or losses of inert gas pressure contained inside vessel tanks
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(en)
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Mine prop
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一种防回火水泥回转窑装置
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(en)
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Means for tapping a high pressure line or container
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Valve for pressure bailers
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(zh)
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(en)
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Acetylene-gas producer
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(en)
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Control valve for pressure bailers
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火炬水封罐排水系统安全防堵塞装置
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(ko)
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Установка дл заполнени баллонов сжиженным газом
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NO782943L
(no)
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Filtersystem inne i en tank.
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