国家/地区 中国（3）
IPC部 B（3）
IPC大类 C23（3）
IPC小类 B05D（2） C09D（2）
IPC B05D005/00（2） B05D007/24（2） C09D005/08（2）
C09D007/61（2）
发明人 ZHAO Y（3）
公开年 2022（3）
申请年 2021（2） 
专利权人

Processing angle steel in transmission line angle steel tower useful in e.g. circuit devices and systems, comprises e.g. drilling angle steel, cutting, treating steel in cleaning solution, dipping treated steel in metal salt solution, and spraying steel with protective coating.

ZHAO Y

Vacuum nitriding of samarium iron nitrogen powder comprises placing samarium iron nitrogen powder in the rotating powder barrel of the vacuum rotary nitriding furnace, filling the furnace body with nitrogen, cooling and degassing, and taking out the samarium iron nitrogen powder.

WANG D, YU J, HE X, TU Y, SHEN D, ZHAO Y

Anti-corrosion for metal down-conductor of graphite-based grounding grid, by performing excavation which exposes metal down conductor, removing surface dust and corrosion, applying silicone rubber coating, covering with polyethylene isolation film, and leading down-conducting wire for soil filling.

ZHANG G, WANG X, ZHU J, DU J, ZHAO Y, GENG J, ZHANG Y, YAO D, KOU X, LI Y, TANG L, XIE W, MA Y, DONG M