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國標防盜井蓋

國標防盜井蓋.jpg

產品描述：

      國標防盜井蓋采用具有設計的新型防盜，鎖和鑰匙采用高硬度、防繡黃銅制作，防止鎖在日常使用的過程中生銹，使井蓋打不開。新型五防雙層球墨鑄鐵井蓋，采用井蓋和井圈一體設計，旋轉式安裝鎖具，已經獲得國家實用新型專利。


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