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
公开年
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

Concrete floor used for industrial factory building, has composite coating protective structure that is provided with sealing coating, zinc-rich coating, middle coating layer and functional coating layer.

HAN X, LI Q, LIU Y, YANG Z, LI C, DU B, CHAO B, AN Y