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kth16型本安型自动电话机 ,适用于煤矿井下有瓦斯或煤尘爆炸危险的场所。可用在采煤工作面上、下出口,掘进头的固定电话,装载点、运输巷的固定电话,以用调度站,变电所,水泵房,绞
http://blog.alighting.cn/dongyagk200910/archive/2010/9/25/99402.html2010/9/25 14:33:00
本公司主要经营以下产品: 线材:济宁锚杆钢、左旋锚杆钢、右旋锚杆钢、左旋锚杆、右旋锚杆、托盘、矿用锚杆钢、 矿用左旋锚杆、矿用右旋锚杆、φ18左旋锚杆、螺母、φ20左旋锚杆,
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