Combine foreign advanced experience through the dentistry teaching research of more than 30 years, press Chinese state of the nation to develop 200 various products.
经过30多年的牙科教学研究，结合国外先进经验，按中国国情研制出200多种产品。
Combine foreign advanced experience through the dentistry teaching research of more than 30 years, press Chinese state of the nation to develop 200 various products.
经过30多年的牙科教学研究，结合国外先进经验，按中国国情研制出200多种产品。
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