CN217580298U - 一种给排水井盖防护网装置 - Google Patents
一种给排水井盖防护网装置 Download PDFInfo
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CN118144074A (zh) * | 2024-05-08 | 2024-06-07 | 山西建筑工程集团有限公司 | 一种拼装式圆形预制检查井钢模板 |
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CN118144074A (zh) * | 2024-05-08 | 2024-06-07 | 山西建筑工程集团有限公司 | 一种拼装式圆形预制检查井钢模板 |
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Granted publication date: 20221014 Effective date of abandoning: 20240313 |
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Effective date of registration: 20240312 Address after: No. 101 Licun Road, Jingchuan Town, Jing County, Xuancheng City, Anhui Province, 242500 Patentee after: Anhui Hanhai Water Resources and Hydropower Engineering Co.,Ltd. Country or region after: China Address before: No. 3606, Zhabuzhai Village, Guanzhai Township, Julu County, Xingtai City, Hebei Province, 054000 Patentee before: Wen Xiaocui Country or region before: China |