Joints for industrial use, particularly piston seals, piston rod seals, lip seals, shaft seals; shaped parts of plastic material for the construction of machine tools and other machines (included in class 7); membrane seals; strips and guiding rings of plastic material for lifting pistons; back-up rings of plastic material for joints

Shaped parts of plastic material for the construction of land, air and water vehicles and for apparatus for locomotion by land, air and water; shaft seals; membrane seals, strips and guiding rings of plastic material for lifting pistons and back-up rings of plastic material for joints, as land, air and water vehicle parts and apparatus for locomotion by land, air and water