国家/地区 中国（2）
IPC部 B（2）
IPC大类 B24（2）
IPC小类 C09D（2）
IPC
发明人
公开年
申请年 2021（2）
专利权人

Rust removal and anti-corrosion of steel structure comprises cleaning oxide scale, dust and oil stain on steel structure, trimming uneven components, grinding rusted component to make surface show metallic luster and coating surface with anti-corrosion layer.

ZUO T, ZHOU X, SHANG J, DAI L

Polishing pad for polishing corners of electronic display screen comprises e.g. base material layer whose inner wall is covered with skid-proof rubber layer and outer wall with hardening layer, and grid layer set to outer hardening layer.

LI J, TAN H