点击图片查看大图 DORMA 多玛BTS80F地弹簧产品说明
---深圳恩多力科技发展有限公司
TEL:0755-25876331 13728723591
Floor springs designed especially for fire and smoke doors.
Wide range of functions,quality assured.
CERTIFIRE approved for use on certain fire doors:See
certificate no.128(BTS 80 F and EMB).Complies with
requirements of HTM59(DOH).PSA approved(MOB H3 030.
适用于防火门和防烟门
精诚合作，全心全意为您服务，全国范围均可发货或代发货！
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