The SIG AK53 was an experimental battle rifle from Switzerland that was designed in the early 1950s. The AK53 used the gas-operated principle of operation with the barrel moving forward …

2019年2月22日 · One of a long line of interested experimental self-loading designs made by SIG between the 1920s and 1950s, the AK53 is a gas operated rifle with a fixed breechblock and a …

The AK53 (A utomat K arabine) was a Swiss prototype assault rifle produced by SIG. The AK53 was developed in 1953 for the Swiss Army. A batch of 50 prototypes were produced and …

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The Swiss concern of Schweizerische Industrie-Gesellschaft (SIG) was responsible for several post-World War 2 self-loading rifle, selective fire projects and among these was the "AK-53" of …

2019年2月22日 · One of a long line of interested experimental self-loading designs made by SIG between the 1920s and 1950s, the AK53 is a gas operated rifle with a fixed breechblock and a …

BK53/UV&IR火焰探测器通过探测物质燃烧所产生的红外和紫外光谱来探测火灾，适用于火灾发生时易产生明火的非防爆场所，对发生火灾时有强烈的火焰辐射或无阴燃间断的火灾以及需要对 …

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The ZB-53 was a Czechoslovak machine gun. A versatile weapon, it was used both as a squad support weapon, as a mounted machine gun for tanks and other armoured vehicles, and on …