Methods for forging, hammering, or pressing (for working sheet-metal or metal tubes, rods, or profiles B21D; for working wire B21F); Special equipment or accessories therefor

Child Classifications

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• B21J 5/002 CPC only CPC only
• B21J 5/004 CPC only CPC only
• B21J 5/006 CPC only CPC only
• B21J 5/008 CPC only CPC only
• B21J 5/02 Die forging; Trimming by making use of special dies +3 CPC IPC+CPC Available in IPC and CPC
• B21J 5/04 by directly applied fluid pressure or explosive action IPC+CPC Available in IPC and CPC
• B21J 5/06 for performing particular operations +2 CPC IPC+CPC Available in IPC and CPC