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据《中国包装报》 1995年6月 8日报道:山东济宁医用氧气厂最近开发出一种“全方位钢瓶内壁抛光机”,专门用于医用氧气钢瓶。
According to “China Packaging Newspaper” reported on June 8, 1995: Shandong Jining Medical Oxygen Factory recently developed a “full range of cylinder wall polishing machine,” specifically for medical oxygen cylinders.