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    產品中心 PRODUCT CENTER

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    產品特點:井座與井蓋之間設有專用開啟口

    使用范圍:適用于城市人行道、住宅小區綠地等非機動車行駛的道路

    該產品使用公司以下實用新型專利進行生產:

    一種抗壓圓形井蓋的鋼骨架(專利號:201420732156.4);

    一種耐壓井蓋(專利號:201420732311.2)    


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