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rail fastening by means of klemmbuegel and klemmbuegelschrauben, with the cylindrical head of the klemmbuegelschraube trained in a scharnierartigen camp abstuetzt chair
rail fastening by means of klemmbuegel and klemmbuegelschrauben, with the cylindrical head of the klemmbuegelschraube trained in a scharnierartigen camp abstuetzt chair