CPC Subgroup
B29B 11/02 by dividing preformed material, e.g. sheets, rods
Full Title
Making preforms (B29C61/06 takes precedence ) > by dividing preformed material, e.g. sheets, rods
B29B 11/02 Making preforms (B29C61/06 takes precedence ) > by dividing preformed material, e.g. sheets, rods