CN212628713U - 一种网络交换设备防尘除尘装置 - Google Patents
一种网络交换设备防尘除尘装置 Download PDFInfo
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Effective date of registration: 20220119 Address after: 201500 room 2695, building 9, No. 6558, Tingwei Road, Jinshan Industrial Zone, Jinshan District, Shanghai Patentee after: Shanghai lingnuo Information Technology Co.,Ltd. Address before: 244000 no.895, East Changjiang Road, Tongguan District, Tongling City, Anhui Province Patentee before: Gao Minmin |
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Effective date of registration: 20221114 Address after: No. 1800, Panyuan Road, Changxing Town, Chongming District, Shanghai 202150 (Shanghai Taihe Economic Development Zone) Patentee after: Youyixin (Shanghai) Information Technology Co.,Ltd. Address before: 201500 room 2695, building 9, No. 6558, Tingwei Road, Jinshan Industrial Zone, Jinshan District, Shanghai Patentee before: Shanghai lingnuo Information Technology Co.,Ltd. |