国家/地区 中国（2）
IPC部 C（2）
IPC大类 C09（2）
IPC小类 C09D（2）
IPC C09D007/63（2） C09D007/65（2）
发明人 DONG M（2）
公开年
申请年 2021（2）
专利权人

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

Double-layer copper sheet oxidation fixture comprises upper rectangular frame and a lower rectangular frame connected by two side plates, the two side plates are arranged opposite to each other and provided with multiple vent holes.

DONG M, CAI J, MA J, HE X, LI Y