国家/地区 中国（2）
IPC部 C（2）
IPC大类 C09（2） E04（2）
IPC小类 C09D（2）
IPC C09D007/61（2）
发明人
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

Construction method for fair-faced concrete protective agent for exterior wall finish, by providing fair-faced concrete protective agent, performing base repair treatment, grinding, cleaning wall surface, performing color adjustment, and painting by applying aqueous primer, and inorganic coloring.

CAO Y, LIU X, WANG D, DU H, HAN T, YANG L, LI J, SUN Y