国家/地区 中国（2）
IPC部 B（2）
IPC大类 B05（2）
IPC小类 B05D（2）
IPC B05D005/00（2）
发明人 ZHAO Y（2）
公开年 2022（2）
申请年
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

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