Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F16
ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
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F16K
VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
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3/00
Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
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F16K3/02
with flat sealing faces; Packings therefor
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F16K3/04
with pivoted closure members
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F16K3/06
in the form of closure plates arranged between supply and discharge passages
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F16K3/08
with circular plates rotatable around their centres
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F16K3/085
the axis of supply passage and the axis of discharge passage being coaxial and parallel to the axis of rotation of the plates
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