CPC Subgroup
B21D 26/031 Mould construction (B21D26/025 - B21D26/029 take precedence)
Full Title
Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces (stamping using resilient pads B21D22/10) > by applying fluid pressure > Deforming sheet bodies > Mould construction (B21D26/025 - B21D26/029 take precedence)