| 摘要 |
The valve is used to protect the muzzle of firing arms from the penetration of mud splashes, snow, raindrops and other pullutants. It is in the form of a flat body (3) and its size is sufficient to cover the muzzle of the firing arms. Body (3) is pivotly (4) connected fitted to the muzzle (1) wall and is maintained in clossed position by an elastic element (5)./!
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