| 摘要 |
FIELD: armament. ^ SUBSTANCE: the front end face of the gas pipe of the gas-exhaust mechanism of the self-loading open is located in the working cylinder of the gas chamber and restricts the backward motion of the piston. Besides, an annular flange is made on the piston for engagement with the slot made on the rod. ^ EFFECT: simplified construction and facilitated servicing of the gas-exhaust mechanism. ^ 2 cl, 3 dwg |
