Unglued Self-Locking with Four Double Walls Lock Corners – Locking Flaps with Fold-Over Expansion Piece B11.02.00.00.a Unglued Self-Locking with Four Double Walls Lock Corners – Locking Flaps with Fold-Over Expansion Piece B11.02.00.00.a Production Team2021-05-18T21:53:48+08:00 ECMA B11.02.00.00.a Unglued Self-Locking with Four Double Walls Lock Corners - Locking Flaps with Fold-Over Expansion Piece