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另外從商品包裝和 bumper 本體與零件的質感也可以判斷。
台灣 Deff Cleave (Draco) 防偽認證說明:
http://www.dracodesigninc.com/tw/Genuine.aspx
日本 Deff Cleave 官網教你如何判斷真偽:
http://deff.co.jp/news/2011/05/post-1.php
http://deff.co.jp/news/2011/12/2.php



























































































