CPC Subgroup
B21J 15/365 Full Title
Riveting > Riveting machines (electric heating elements H05B) > Rivet sets, i.e. tools for forming heads; Mandrels for expanding parts of hollow rivets
B21J 15/365 Riveting > Riveting machines (electric heating elements H05B) > Rivet sets, i.e. tools for forming heads; Mandrels for expanding parts of hollow rivets