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Apparatus for preparing the surface of a panel on a fire extinguisher shell to receive printing thereon
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Discharge valve and nozzle for pressurized fire extinguishers
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Method and apparatus for applying coating material to the inside of a container
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Balanced valve
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Improvements in or relating to the production and discharge of air foam
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Gate valve pressure lock
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Airfoam nozzle
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Foam type fire extinguisher
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Fire extinguisher
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