30 POTATO PRODUCTS (NOT INCLUDED IN OTHER CLASSES), COMPRISING OR NOT SEASONING SUBSTANCES, SUCH AS POTATO FLOUR; SALTED FOOD USUALLY KNOWN AS SNACKS; FOOD PREPARATIONS MADE FROM RICE, CORN AND CEREALS, COMPRISING OR NOT SEASONING SUBSTANCES; SALTED BISCUITS AND SALTED FOODSTUFF, MORE SPECIFICALLY FOR APERITIFS; FLOUR AND PREPARATIONS MADE FROM CEREALS