7 Attachments for excavators, namely, couplings for machines; hydraulic and mechanical couplers for construction, forestry and earthmoving machines; hydraulic and mechanical couplers for excavators; mechanical couplers for excavators; hydraulic couplers for excavators; Attachments for agriculture, construction, forestry, and earthmoving machines, namely, excavator buckets, excavator top hooks, ditcher buckets, grading buckets, tilting buckets, digging forks, excavator booms, trenching buckets, bucket handles, ripper teeth, buckets and rakes for land clearance; coupling systems in the form of mechanical quick-change devices and work tools, other than hand-operated, for excavators; Lifting attachments for excavators, namely, quick hitch, grading, digging and hook buckets; mounting plates for the aforesaid goods, namely, universal mounting plates for excavators