BIOMEMBRAT

APPARATUS TO BE USED FOR BIOLOGICAL SEWAGE PURIFICATION AND FOR FERMENTATIVE TREATMENT OF VEGETABLE AND ANIMAL SUBSTANCES, CONSISTING OF REACTION VESSELS AND CIRCULATION AND FILTERING UNITS, SOLD AS A UNIT

INSTALLING, MOUNTING, REPAIRING AND MAINTAINING FOR OTHERS OF EQUIPMENT TO BE USED FOR FERMENTATIVE TREATMENT OF VEGETABLE AND ANIMAL SUBSTANCES

DESIGNING FOR OTHERS IN THE FIELD OF EQUIPMENT FOR FERMENTATIVE TREATMENT OF VEGETABLE AND ANIMAL SUBSTANCES