Turbine development victory. Environmental engineering is a "Low speed surface Aerator", and had the name patented in King's signature in his Majesty the phumiplodunyadet. English is used as a "Low Speed Surface Aerator Chaipattana, Model RX-2)" in General, we are often referred to as "victory" development of water turbines is that his Majesty King Raja Shan. When May 3?
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