This is a kind of equipment for children, as an educational toy.

• 1. 一种益智型多功能儿童玩具手推车 [P] . 中国专利： CN212788048U . 2021-03-26
• 2. 一种益智的趣味拼图儿童玩具 [P] . 中国专利： CN213131870U . 2021-05-07
• 3. folding, recreational and educational children's toy. [P] . ES15959Y . 1948-08-01

  机译： 折叠，娱乐和教育儿童玩具。

• 4. Folding, recreational and educational children's toy. (Machine-translation by Google Translate, not legally binding) [P] . ES15959U . 1947-11-16

  机译： 折叠，娱乐和教育儿童玩具。 （通过Google翻译进行机器翻译，没有法律约束力）

• 5. Educational equipment for autistic children [P] . 法国专利： FR2733618A1 . 1996-10-31

  机译： 自闭症儿童的教育设备

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• 5. An unwanted Christmas surprise: report of a field investigation on possible chemical contamination of a childrens toy. [O] . K S Sidhu, R H Scheel, E Perry, 1987
• 6. An unwanted Christmas surprise: report of a field investigation on possible chemical contamination of a children's toy. [O] . Sidhu, K S, Scheel, R H, Perry, E, 1987

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• 2. The Film“Hichki”Triggers Educational Reflection:How Teachers become the Children’s“Polaris” [J] . Jifu Yang . 当代教育研究(百图) . 2019,第006期
• 3. An Analysis of Children's Educational View of Charles Dickens in Oliver Twist [J] . . 海外英语(上) . 2018,第012期
• 4. 科学，不能只讲一面(点)——评“这是全球变暖的另一种表现形式” [C] . 蔡尔诚 . 2008天灾预测学术研讨会 . 2008
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