GB/T 29713
GB/T 29713 (Wire electrodes,strip electrodes,wires and rods for arc welding of stainless and heat resisting steels)· GB (China) · 66 materials
GB/T 29713 (Wire electrodes,strip electrodes,wires and rods for arc welding of stainless and heat resisting steels)· GB (China) · 66 materials