地弹簧,进口地弹簧,重型地弹簧
DORMA 多玛BTS80F地弹簧产品说明
---深圳恩多力科技发展有限公司
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Floo spings designed especially fo fie and smoke doos.Wide ange of functions,quality assued.
CERTIFIRE appoved fo use on cetain fie doos:See cetificate no.128(BTS 80 F and EMB).Complies with equiements of HTM59(DOH).PSA appoved(MOB H3 030.
适用于防火门和防烟门
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