ANSI UL10C 认证两级可调速重型防火闭门器可调节关闭和闭锁速度，并可调节后止点，延迟动作可选。其特点是无障碍，降低残疾人/老年人的开启阻力。
ANSI UL10C 认证两级可调速重型防火闭门器可调节关闭和闭锁速度，并可调节后止点，延迟动作可选。其特点是无障碍，降低残疾人/老年人的开启阻力。
认证
UL 10C 防火等级 3 小时
美国国家标准协会
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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
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