The Type 163 Ultra Lightweight Laser Designator (ULD) is the smallest lightweight NATO STANAG 3733-compatible laser designator product available on the market.
163型ULD是市场上符合北约STANAG 3733标准协议的最小的一款轻型激光指示器产品。
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Commercial toilet paper was not introduced until the 1857 and at least one early advertiser noted that their product was ‘splinter free’ – something quite far from today’s ‘ultra-soft’.