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A gate valve with a shut-off member with a formed as a rotary piston is operatively coupled selbsttaetiger spindle clutch for the purpose of continuous deformability of an elastic dichtungsbuechse
A gate valve with a shut-off member with a formed as a rotary piston is operatively coupled selbsttaetiger spindle clutch for the purpose of continuous deformability of an elastic dichtungsbuechse
