Motors except for land vehicles; clutches and transmission components except for land vehicles; machines for making and processing corrugated cardboard and honeycomb cardboard, and parts for the aforesaid goods, included in this class; glue-applying rollers for corrugated cardboard machines and honeycomb cardboard installations; corrugated rollers being parts of corrugated cardboard machines, paper processing machines, machines and mechanical apparatus for heating and warming paper webs in ma...