国家/地区 中国（2）
IPC部 C（2） E（2）
IPC大类 C09（2）
IPC小类 C09D（2）
IPC
发明人 WANG L（2）
公开年
申请年 2021（2）
专利权人

Protective coating for repairing metal surface damage, is set on the metal material substrate damage area surface, comprising a resin material layer from inside to outside in turn set on surface of the metal material substrate damage area.

WANG L, ZHAO Q, WU Y, ZHAO W

Anti-seepage structure of construction joint of rockfill concrete dam comprises e.g. multi-section dam body, whose each section of dam body sequentially provided with upstream overburden layer and downstream cover layer.

WANG L, WU Y, ZHANG J, ZANG Z, GAO Q, ZHANG F, DU Q, HE X, GENG T, BI C, LI X