CN214479236U - 矿用隔爆兼本安型多功能网管 - Google Patents
矿用隔爆兼本安型多功能网管 Download PDFInfo
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- CN214479236U CN214479236U CN202120111722.XU CN202120111722U CN214479236U CN 214479236 U CN214479236 U CN 214479236U CN 202120111722 U CN202120111722 U CN 202120111722U CN 214479236 U CN214479236 U CN 214479236U
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Denomination of utility model: Mine flameproof and intrinsically safe multifunctional network management Effective date of registration: 20220223 Granted publication date: 20211022 Pledgee: Xuzhou Huaichang Investment Co.,Ltd. Pledgor: Xuzhou Zhongkuang Yunhuo Information Technology Co.,Ltd. Registration number: Y2022320000076 |
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Date of cancellation: 20221118 Granted publication date: 20211022 Pledgee: Xuzhou Huaichang Investment Co.,Ltd. Pledgor: Xuzhou Zhongkuang Yunhuo Information Technology Co.,Ltd. Registration number: Y2022320000076 |
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Denomination of utility model: Mine flameproof and intrinsically safe multi-function network management Effective date of registration: 20221122 Granted publication date: 20211022 Pledgee: Xuzhou Huaichang Investment Co.,Ltd. Pledgor: Xuzhou Zhongkuang Yunhuo Information Technology Co.,Ltd. Registration number: Y2022320000729 |