Back pressure valves as parts of machines; Centrifugal compressors; Compressed air guns for the extrusion of mastics; Compressed air machine components, namely, cylinders, valves and air grips; Compressed air pumps; Compressors as parts of machines, motors and engines; Electric fruit presses for household use; Electric vacuum food sealers for household purposes; Fruit presses, electric, for household purposes; Manipulators for forging presses and for forging machines; Mechanical and hydraulic...