CN212427231U - 一种窨井盖的锁死防盗装置 - Google Patents
一种窨井盖的锁死防盗装置 Download PDFInfo
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CN116677015A (zh) * | 2023-08-04 | 2023-09-01 | 江苏巨数智能科技有限公司 | 一种具有多项检测模组的温差发电式智能井盖 |
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CN116677015A (zh) * | 2023-08-04 | 2023-09-01 | 江苏巨数智能科技有限公司 | 一种具有多项检测模组的温差发电式智能井盖 |
CN116677015B (zh) * | 2023-08-04 | 2023-10-10 | 江苏巨数智能科技有限公司 | 一种具有多项检测模组的温差发电式智能井盖 |
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Effective date of registration: 20240319 Address after: No. 20, Dongdazhuang Village, Yangerzhuang Town, Huanghua City, Cangzhou City, Hebei Province, 061000 Patentee after: Lv Kuili Country or region after: China Address before: 518000 room 1303, 87 Kefeng Road, Huangpu District, Guangzhou City, Guangdong Province (office use only) Patentee before: Yang Yong Country or region before: China |
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Effective date of registration: 20240530 Address after: 061109 Xuguan Village, Yangerzhuang Town, Cangzhou City, Hebei Province Patentee after: Huanghua Kaida Drilling and Installation Co.,Ltd. Country or region after: China Address before: No. 20, Dongdazhuang Village, Yangerzhuang Town, Huanghua City, Cangzhou City, Hebei Province, 061000 Patentee before: Lv Kuili Country or region before: China |