modification of the machine gun if mod. 57 cal. 9mm. for the shot single shot that is called machine gun

• 1. 一种基于射击散布的机枪射击门设计方法及系统 [P] . 中国专利： CN112485804A . 2021-03-12
• 2. 一种机枪射击模拟器 [P] . 中国专利： CN211261956U . 2020.08.14
• 3. Toy machine gun rifle with luminous shots (Machine-translation by Google Translate, not legally binding) [P] . ES86004U . 1961-04-01

  机译： 带发光枪的玩具机枪步枪（由Google翻译进行机器翻译，不具有法律约束力）

• 4. Pointing device in height, applicable to the guns, the guns to recoil, and to the machine guns shotguns - [P] . 法国专利： FR548297A . 1923-01-11

  机译： 指向装置的高度，适用于枪支，后坐力枪支和机枪shot弹枪-

• 5. stirrup reinforcement for machine-guns clamps and of shotguns machine gun [P] . 法国专利： FR677514A . 1930-03-11

  机译： 机枪夹具和shot弹枪机枪的箍筋加固

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• 2. Numerical investigation of dynamic interaction with projectile and harmonic behaviour for T-finned machine gun barrels [J] . Ekansh Chaturvedi 兵工学报（英文版） . 2020,第002期
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• 4. Research on the floating performance of a novel large caliber machine gun based on the floating principle with complicated boundary conditions [J] . Ye Lu, Ke-dong Zhou, Lei He, 兵工学报（英文版） . 2019,第004期
• 5. Structural Optimization of Machine Gun Based on Dynamic Stability Concept [J] . LI Yong-jian, WANG Rui-lin, ZHANG Ben-jun 兵工学报（英文版） . 2008,第002期
• 6. The study of gun shot residues from the cartridge in the dependence on the gun barrel length [C] . Petra Svachouckova, Vaclav Svachoucek, Ladislav Velehradsky Seminar on New Trends in Research of Energetic Materials;NTREM '10 . 2011
• 7. Viability of Gun Cleaning Oil Transfer as a Long Distance Gunshot Residue. [D] . Garrett, Rachel Marie. 2015
• 8. Nelatons Method of Detecting the Position of the Ball in Gun-Shot Wounds with Illustrative Cases—i. Gun-Shot Wound of the Thigh; Ball Lodged in the Condyle of the Femur; Detected by Nelatons Probe and Canula Forceps; Successful Removal;—ii. Letter to the Editor from Surgeon A. Y. P. Garnett on the Use of Nelatons Probe [O] . Surgeon James Bolton 1864
• 9. Mexican Cartel Tactical Note No. 14: Anti-Aircraft Mounted .50 cal. Machine Gun and Surface-to-Air Missile Recovered in 2009 [O] . Bunker Robert J. 2012

• 1. 基于ADAMS机枪射击稳定性动力学仿真分析 [C] . WANG Hongqin ,王虹琴 ,SU Tiexiong . 首届兵器工程大会 . 2017
• 2. 某重机枪连发射击稳定性与动力学建模分析 [A] . 黄盼 . 2015