CN207880457U - 一种弹簧活塞板式防煤气泄漏排水器 - Google Patents
一种弹簧活塞板式防煤气泄漏排水器 Download PDFInfo
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Effective date of registration: 20201119 Address after: 210039 new building, Zhonghua Gate, Yuhuatai District, Jiangsu, Nanjing Patentee after: NANJING MEIBAO NEW PATTERN BUILD MATERIAL Co.,Ltd. Address before: 210039 new building, Zhonghua Gate, Yuhuatai District, Jiangsu, Nanjing Patentee before: NANJING MEISHAN METALLURGY DEVELOPMENT Co.,Ltd. Patentee before: Shanghai Meishan Iron & steel Co.,Ltd. |
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TR01 | Transfer of patent right | ||
CP01 | Change in the name or title of a patent holder |
Address after: 210039 new building, Zhonghua Gate, Yuhuatai District, Jiangsu, Nanjing Patentee after: Baowu huanke Nanjing resources utilization Co.,Ltd. Address before: 210039 new building, Zhonghua Gate, Yuhuatai District, Jiangsu, Nanjing Patentee before: NANJING MEIBAO NEW PATTERN BUILD MATERIAL Co.,Ltd. |
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CP01 | Change in the name or title of a patent holder |