BSI BS EN 15947-2 : English -- Pyrotechnic articles - Fireworks, Categories 1, 2, and 3 Part 2: Categories and types of firework
سازمان: BSI - British Standards Institution
کلید واژه: Classification systems , Explosives technology , Fire safety , Fireworks , Grades (quality) , Pyrotechnics
سال: 2010
زبان: English
قیمت: 95000 تومان
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