60分鐘防火隔熱木雙掩門 @ 拔萃男書院 June 16, 2017/in Fire-rated Door Project /by firedoor拔萃男書院 – 60分鐘防火隔熱木雙掩門 連頂板 Diocesan Boys’ School – 60 mins Fire-rated Double-leaf Door http://www.firedoor.com.hk/wp-content/uploads/2017/01/RR.fw_-300x78.png 0 0 firedoor http://www.firedoor.com.hk/wp-content/uploads/2017/01/RR.fw_-300x78.png firedoor2017-06-16 12:25:492017-07-04 10:39:2560分鐘防火隔熱木雙掩門 @ 拔萃男書院