perfect doll that simulates walking and skating.

• 1. 模仿动物或猫的玩偶 [P] . 中国专利： CN211486529U . 2020-09-15
• 2. 填充式玩偶构件的外包装、玩偶构件及玩偶 [P] . 中国专利： CN208511862U . 2019.02.19
• 3. Perfect doll that simulates walking and skating. (Machine-translation by Google Translate, not legally binding) [P] . ES1039738U . 1999-01-16

  机译： 模拟步行和滑冰的完美娃娃。 （通过Google翻译进行机器翻译，没有法律约束力）

• 4. Perfected drive device for doll walking dolls. (Machine-translation by Google Translate, not legally binding) [P] . ES244250U . 1980-03-01

  机译： 完善了行走娃娃的驱动装置。 （通过Google翻译进行机器翻译，没有法律约束力）

• 5. perfected to simulate physiological actions doll. [P] . ES1045219Y . 2001-02-01

  机译： 完美模拟娃娃的生理动作。

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• 8. A technique for simulating conditions of walking and performing other self-locomotive activities on the lunar terrain [R] . Hewes, D. E., Spady, A. A., Jr. 1963

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