CPC Subgroup
B31C 3/02 and inserting into a tube end a bottom to form a container
Full Title
Making tubes or pipes by feeding obliquely to the winding mandrel centre line > and inserting into a tube end a bottom to form a container
B31C 3/02 Making tubes or pipes by feeding obliquely to the winding mandrel centre line > and inserting into a tube end a bottom to form a container