B65H2402/516 - CPC Classification

• B65H2402/5161 » Ball and socket, knee joint 2
• B65H2402/5162 » Knuckle joint 0
• B65H2402/5163 » Bayonet joint 3
• B65H2402/5164 » plugs, dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose 2