CPC Subgroup
B21J 15/185 Full Title
Riveting > Riveting machines (electric heating elements H05B) > Drives for riveting machines; Transmission means therefor > operated by air pressure or other gas pressure, e.g. explosion pressure
B21J 15/185 Riveting > Riveting machines (electric heating elements H05B) > Drives for riveting machines; Transmission means therefor > operated by air pressure or other gas pressure, e.g. explosion pressure