… the manufacture or finishing of felt or nonwovens in the piece or in shapes, including machinery for making felt …
Explanatory notes
… the manufacture or finishing of felt or nonwovens in the piece or in shapes, including machinery for making felt … heavy grooved plates, one fixed and the other capable of reciprocating movement, between which the web of carded … fibres is submitted to friction and high pressure and becomes felted. These machines also include devices for …