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US2867213A
(en)
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Flutter valve for drainage of the pleural cavity
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(en)
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Etch procedure for optical fibers
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(en)
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Chemical solution tank and means for controlling chemical dosage
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(en)
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Clarifier
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EP0476155B1
(en)
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Liquid level regulator of discharge machining tank
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US1949364A
(en)
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Apparatus for supplying water to concrete mixers
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(en)
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Transparent trap
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(en)
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Siphon box
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US5384033A
(en)
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Floating inlet tube
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(en)
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Anolyte liquid level control for chlor-alkali diaphragm cells
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(en)
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Oil saver
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(en)
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Oil mist lubrication and oil immersion system
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(en)
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Control mechanism for delivery of gas product at constant pressure
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(en)
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Means for conveying oil from a supply-reservoir to tanks |
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(en)
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Liquid apportioning device
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(en)
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Circulation electrolyzer for alkaline chlorides
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(en)
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Weir-overflow for evaporators
|
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US4395314A
(en)
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Process for the producing concentrated solution of sodium hydroxide and chlorine
|
|
AT386291B
(de)
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Vorrichtung zur regelung der dauer von physikalischen veraenderungen und/oder chemischen reaktionen
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US4149955A
(en)
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Feeding of brine to chlor-alkali cells
|
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BE549105A
(cs)
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NL78313C
(cs)
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