ASSOCIATION OF POLISH INVENTORS AND RATIONALIZERS - POLAND

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A: Mechanics – Engines – Machinery – Tools – Industrial processes – MetallurgyV: Protection of the environment – RecyclingK: Agriculture – Horticulture – GardeningC: Electronics – Electricity – Methods of communication – Electrical networkM: Medicine – Surgery – Orthopaedics – Material for disabledQ: Foodstuffs – Drinks – Cosmetics – Paramedical – Health – Hygiene