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個人收集整理 僅供參考學(xué)習(xí) 戶外燈鋼化玻璃的相關(guān)標(biāo)準(zhǔn) 13.22 Tempered glass impact 13.22.1 A test specimen of tempered glass shall be broken by impact to determine the acceptability of the temper of the glass. 13.22.2 The test shall be conducted at 25 ±5EC. 13.22.3 22 The specimen shall be weighed and the weight of 65 cm (10 in ) shall be calculated. 13.22.4 The lower surface of the tempered glass specimen shall be