UL闭门器具有全球流行款式。凸轮作用机械式,隐藏式闭门器,双开门。适用于各种防火门,木门最小厚度为44mm
UL闭门器具有全球流行款式。凸轮作用机械式,隐藏式闭门器,双开门。适用于各种防火门,木门最小厚度为44mm
认证
UL 10C 防火等级 3 小时
美国国家标准学会
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简大卫
电话 / WhatsApp / 微信:+86-13929037292
邮箱:sales@danddhardware.com
电话:+86-750-3856396
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地址:中国广东省江门市蓬江区江门大道科创科技区898号2号楼12楼 529000
联系我们:
简大卫
电话 / WhatsApp / 微信:+86-13929037292
邮箱:sales@danddhardware.com
电话:+86-750-3856396
传真:+86-750-3856395
地址:中国广东省江门市蓬江区江门大道科创科技区898号2号楼12楼 529000