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Usoro nkuzi izizi nke usoro ọgwụgwọ micro-root canal malitere nke ọma
Na Ọktọba 23, 2022, nke ụlọ ọrụ Institute of Optoelectronic Technology nke Chinese Academy of Sciences na Chengdu CORDER Optics&Electronics Co. na-akwado yana Chengdu Fangqing Yonglian Company na Shenzhen Baofeng Medical Instrument Co., Ltd.GỤKWUO