CN213087657U - 一种建筑工程安全结构 - Google Patents
一种建筑工程安全结构 Download PDFInfo
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CB03 | Change of inventor or designer information | ||
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Inventor after: Chen Changchuan Inventor after: Chen Aidong Inventor after: Zhu Xiaojuan Inventor after: Feng Lihua Inventor after: Gao Hongbo Inventor before: Chen Changchuan Inventor before: Chen Aidong Inventor before: Zhu Xiaojuan Inventor before: Feng Lihua Inventor before: Gao Hongbo |
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CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Chen Changchuan Inventor after: Chen Aidong Inventor after: Zhu Xiaojuan Inventor after: Feng Lihua Inventor after: Gao Hongbo Inventor before: Chen Changchuan Inventor before: Chen Aidong Inventor before: Zhu Xiaojuan Inventor before: Feng Lihua Inventor before: Gao Hongbo |