Valve housing partly made of plastic and valve with such a valve housing
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Valve insert for a frost-proof outdoor fitting and frost-proof outdoor fitting
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Bronze casting mold with thermal insulation lining and casting process for manufacture of drinking water valve housing and fittings
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Pipe divider for outlet fittings
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System for refilling containers with liquid has valve comprising jet mounted on spindle, surface of jet subjected to pressure on inlet side being smaller than that on outlet side in closed position
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Control circuit and control unit
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Regulatory device and method for carrying out a regulatory process
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tube element
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Supplementary program executing method for main program of e.g. computer, involves receiving data and key that includes information that is required to execute supplementary program and to register supplementary program in database
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Operation of hot water heating unit using solid matrial which gradually dissolves on contact with water, useful for preventing corrosion in hot water heating units, has element made from solid material in region of valve seat
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Backwashable filter device with flow disturbing bodies
