ygs67 发表于 2016-4-13 11:36:28

ASTM F2910-14

ASTM F2910-14 Standard Specification for Design and Construction of a Small Unmanned Aircraft System (sUAS)

admin 发表于 2016-4-13 14:08:54

谢谢您的分享，金币已奖励！

bands 发表于 2016-8-3 14:38:43

谢谢分享，找了好一会。
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