245731 ⎘
Metal working; Method of mechanical manufacture with separating, localizing, or eliminating of as-cast defects from a metal casting [e.g., anti-pipe] Compressing ingot while still partially molten
Additive forging method for preparing homogenized forged pieces
#2Constructing-and-forging method for preparing homogenized forged pieces
#3Rotating apparatus disk
#4Method of manufacturing a rotating apparatus disk