Handheld firearm in the form of a write holder

• 1. 一种可视化书面形式电子票证凭据及其生成方法 [P] . 中国专利： CN106779888B . 2021.09.03
• 2. 一种可视化书面形式电子票证凭据及其生成方法 [P] . 中国专利： CN106779888A . 2017-05-31
• 3. Barrel cap for a handheld firearm, as well as the system of a handheld firearm and a barrel attachment [P] . 德国专利： DE202018005325U1 . 2019-02-06

  机译： 用于手持式枪支的枪管盖，以及手持式枪支和枪管附件的系统

• 4. Fire guide the sighting device, handheld firearm and a method for aligning a handheld firearm [P] . 德国专利： DE102014001028B4 . 2018-09-13

  机译： 火力引导瞄准器，手持式火器以及对准手持式火器的方法

• 5. Fire control device for a handheld firearm, as well as handheld firearm [P] . 德国专利： DE102015012206A1 . 2017-03-23

  机译： 用于手持式火器的火控装置以及手持式火器

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