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1997年下半年,南宫市灌充设备厂针对国内气体行业的形势,决定研制开发低温液体汽化器这一高效节能新产品。
In the second half of 1997, the Nangong Filling Equipment Factory decided to develop a cryogenic liquid vaporizer, a highly efficient and energy-saving new product, in response to the situation in the domestic gas industry.