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MS-4
The MS-4 (МС-4) is a Soviet-era-developed, Russian Federation, battery-powered, electromechanical fuze, which can act as a booby trap and as an anti-railway fuze. The MS-4 has three trigger modes, after an elapsed time period (time mode), when it moved (anti-disturbance mode), or by via vibration (anti-train mode). The time period trigger mode, which also acts as the delay arming period when either the anti-disturbance or anti-train modes a...
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