Source google image: https://images.ssstatic.com/machine-a-coudre-industrielle-gemsy-base-plane-1500b-206783n0-00000075.jpg
Machine a coudre point de recouvrement industrielle
Source google image: https://images.ssstatic.com/machine-a-coudre-industrielle-gemsy-base-plane-1500b-206783n0-00000075.jpg