Tags : operating valve

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(WO/2004/090402) FLUID OPERATING VALVE A fluid operating valve, comprising a first valve chamber (16) and a second valve chamber (25) communicating with each other through a through-port (21), ... 0 comments 20 visitors

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Apparatus and method for operating a water valve - Patent 7000897 Thus, a water valve wrench is the preferred tool for the professional or homeowner for operating such valves. A water valve wrench, however, is infrequently ... 0 comments 20 visitors

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