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无油立式真空泵|立式无油真空机组|海门市上真真空泵厂
海门市上真真空泵厂创建于1969年，专业生产上真牌真空泵，数十年来，经过上真人的努力奋斗，公司已成为我国研究开发罗茨真空泵、真空机组的真空设备基地。
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