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牡丹江制药厂千吨维生素C技术改造项目扩初设计,于1995年2月23日通过了审查。维生素C是人体不能合成的维生素类,
The 10,000-ton vitamin C technological transformation project of Mudanjiang Pharmaceutical Factory expanded its initial design and was reviewed on February 23, 1995. Vitamin C is a vitamin that the human body cannot synthesize.