CN214912958U - 一种楼道消防栓安全保护装置及其连接机构和封闭机构 - Google Patents
一种楼道消防栓安全保护装置及其连接机构和封闭机构 Download PDFInfo
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CN202120541735.0U CN214912958U (zh) | 2021-03-16 | 2021-03-16 | 一种楼道消防栓安全保护装置及其连接机构和封闭机构 |
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Inventor after: Zhang Yongqiang Inventor after: Wen Yanchun Inventor after: Sun Wenjie Inventor after: Teng Weijun Inventor after: Liu Xinquan Inventor after: Yan Weizhe Inventor after: Dong Dekun Inventor after: Jia Yongchao Inventor before: Zhang Yongqiang Inventor before: Wen Yanchun Inventor before: Teng Weijun Inventor before: Liu Xinquan Inventor before: Yan Weizhe |
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