Substation flood prevention emergency drainage pump device

ZHEN PEIQING | Europäisches Patentamt | 2023

Substation flood prevention emergency drainage pump device

GUAN YIMIN / ZHANG QINGHUI / WANG YAN et al. | Europäisches Patentamt | 2023

Flood prevention and drainage pump station structure

WEI CHENGLUAN | Europäisches Patentamt | 2022

Flood drainage pump station for water conservancy project

GAO GE / CHEN WENLONG / ZHANG LONGHUAN | Europäisches Patentamt | 2023

Flood drainage pump station

LIU BAOZHONG / HU LIHAO / LIANG BIN et al. | Europäisches Patentamt | 2024