toothbrush with double head, high efficiency of cleaning

• 1. 一种可清洁牙刷杯的双头牙刷 [P] . 中国专利： CN214258297U . 2021-09-24
• 2. 双头深度清洁牙刷 [P] . 中国专利： CN208491143U . 2019.02.15
• 3. toothbrush with double head, high efficiency of cleaning [P] . ITMI970493U4 . 1995-06-13

  机译： 双头牙刷，清洁效率高

• 4. toothbrush with double head, high efficiency of cleaning [P] . ITMI942463A1 . 1995-06-13

  机译： 双头牙刷，清洁效率高

• 5. toothbrush with double head, high efficiency of cleaning [P] . ITMI942463D0 . 1994-12-05

  机译： 双头牙刷，清洁效率高

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• 2. Improving grain yield, nitrogen use efficiency and radiation use efficiency by dense planting, with delayed and reduced nitrogen application, in double cropping rice in South China [J] . FU You-qiang, CHEN Rong-bing, HU Rui, 农业科学学报（英文版） . 2021,第002期
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• 6. Prevalence of Tongue Cleaning Using a Toothbrush: A Questionnaire Survey in Fukui Prefecture Japan [O] . Shinpei Matsuda, Takehisa Saito, Hisato Yoshida, 2019
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• 8. Quiet Clean Short-Haul Experimental Engine (QCSEE). Double-Annular Clean Combustor Technology Development Report [R] . Bahr, D. W., Burrus, D. L., Sabla, P. E. 1979

• 1. Polyethylene glycol 3350 based colon cleaning protocol: 2 d vs 4 d head to head comparison [J] . Rotem Elitsur ,Lisa Butcher ,Lund Vicki . 世界胃肠内镜杂志：英文版（电子版） . 2013,第4期
• 2. A head to head comparison of oral vs intravenous omeprazole for patients with bleeding peptic ulcers with a clean base,flat spots and adherent clots [J] . ■erif Y■lmaz ,Kadim Bayan ,Yekta Tüzün . 世界胃肠病学杂志：英文版 . 2006,第48期
• 3. 牙刷清洁力体外评价方法建立及美白牙刷的开发与研究 [C] . Chen Minshan ,陈敏珊 ,Zhu Zhisheng . 首届国际口腔护理用品学术研讨会 . 2016
• 4. 不同硬度牙刷菌斑清除效果和清洁力的研究 [A] . 刘明宏 . 2020