with mechanically-operated piston moving to-and-fro

Full Title

Sausage-making > Sausage filling or stuffing machines > with mechanically-operated piston moving to-and-fro

Classification Context

Section:

HUMAN NECESSITIES

Class:

BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH

Subclass:

PROCESSING MEAT, POULTRY, OR FISH