CN215955772U - 一种用于整流变网栅门的本质安全型五防装置 - Google Patents
一种用于整流变网栅门的本质安全型五防装置 Download PDFInfo
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Effective date of registration: 20230822 Address after: 266000 No.99, Shenzhen road, Laoshan District, Qingdao, Shandong Province Patentee after: Qingdao Metro Operation Co.,Ltd. Patentee after: Qingdao Dingxin industrial safety equipment Co.,Ltd. Address before: 266000 comprehensive depot base of Qingdao Metro Line 3, 100m south of No.82 Taiyuan Road, Licang District, Qingdao City, Shandong Province Patentee before: QINGDAO METRO GROUP CO.,LTD. OPERATION BRANCH Patentee before: Qingdao Dingxin industrial safety equipment Co.,Ltd. |