国家/地区 中国（3）
IPC部 B（3）
IPC大类 B05（3） C09（3） C23（2）
IPC小类 B05D（3）
IPC B05D003/10（3）
发明人
公开年 2022（3）
申请年 2022（3） 
专利权人

Condensing tube manufacturing process of condenser comprises e.g. using shot blasting to treat surface of condensing tube to increase roughness of condensing tube surface, coating surface of condensing tube after shot blasting using heat-conducting anti-corrosion layer, and drying.

SHI M, ZHANG C, JIN L, BAO J, LU M

Preparing anti-corrosion coating useful for bridge steel structure, comprises e.g. preparing graphene oxide, preparing modified aluminum oxide-silicon dioxide material, and preparing corrosion-resistant coating.

HAN L, XU C

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