Angle-profile impact rail for stair-steps comprises a rise element and a tread element whose substantially plane inner surface is provided with at least two Gluing grooves

摘要

The angle-profile impact rail (10) for stair-steps (12) comprises a rise element (16) and a tread element (14) whose substantially plane inner surface (28) is provided with at least two longitudinal Gluing grooves (40, 42).