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
申请年 2022（2）
专利权人

Dismounting-free repairing method used for high-rise building outer wall, involves removing convex portion of hollow drum, using high-solid elastic fiber putty to fill concave portion, and using double-component permeable bottom coating whole wall rolling coating.

CAO S

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