ygs67 发表于 2016-4-12 16:34:30

ASTM F2457-05(2009)

ASTM F2457-05(2009) Standard Specification for Required Product Information to be Provided with Weight-Shift-Control Aircraft

admin 发表于 2016-4-13 09:09:42

谢谢您的分享，金币已奖励！
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查看完整版本: ASTM F2457-05(2009)