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6
Common metals and their alloys; metal building materials; transportable buildings of metal; materials of metal for railway tracks; non-electric cables and wires of common metal; ironmongery, small items of metal hardware; pipes and tubes of metal; safes; goods of common metal not included in other classes; ores.
c-clamps, strap-clamps, lathe-dogs, crank-handles, balance-handles, machine-handles, wire-rope sockets, tool-posts, tool-post rings, tool-post wedges, lathe-tools, planer-tools, boring-tools, lathe-tool holders, planer-tool holders, boring-tool holders, grinding-tools, cutting-tools, grinding-tool holders, cutting-tool holders, threading-tools, pipe-tools, chain pipe-wrenches, pipe-wrenches, wrenches, chain pipe-vises, pipe-vises, vises, machinists' clamps, clamp lathe-dogs
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7
Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; incubators for eggs.
c-clamps, strap-clamps, lathe-dogs, crank-handles, balance-handles, machine-handles, wire-rope sockets, tool-posts, tool-post rings, tool-post wedges, lathe-tools, planer-tools, boring-tools, lathe-tool holders, planer-tool holders, boring-tool holders, grinding-tools, cutting-tools, grinding-tool holders, cutting-tool holders, threading-tools, pipe-tools, chain pipe-wrenches, pipe-wrenches, wrenches, chain pipe-vises, pipe-vises, vises, machinists' clamps, clamp lathe-dogs
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8
Hand tools and implements (hand-operated); cutlery; side arms; razors.
c-clamps, strap-clamps, lathe-dogs, crank-handles, balance-handles, machine-handles, wire-rope sockets, tool-posts, tool-post rings, tool-post wedges, lathe-tools, planer-tools, boring-tools, lathe-tool holders, planer-tool holders, boring-tool holders, grinding-tools, cutting-tools, grinding-tool holders, cutting-tool holders, threading-tools, pipe-tools, chain pipe-wrenches, pipe-wrenches, wrenches, chain pipe-vises, pipe-vises, vises, machinists' clamps, clamp lathe-dogs