CN215891407U - 一种通风管道安装辅助装置 - Google Patents
一种通风管道安装辅助装置 Download PDFInfo
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Effective date of registration: 20230815 Address after: Room 1001 and 1002, Floor 10, Building 3, No. 19, North Street, Qingyang District, Chengdu, Sichuan 610000 Patentee after: CHENGDU HOSUN HVAC EQUIPMENT ENGINEERING Co.,Ltd. Address before: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee before: Dragon totem Technology (Hefei) Co.,Ltd. Effective date of registration: 20230815 Address after: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee after: Dragon totem Technology (Hefei) Co.,Ltd. Address before: 252000 No. 1, Hunan Road, Shandong, Liaocheng Patentee before: LIAOCHENG University |
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