国家/地区 中国（2）
IPC部 B（2） C（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

Processing preservative composition comprises treating the surface of preservative and carrying out phosphating pretreatment to form a phosphate film and preserving surface of phosphating film and coating with a graphene antiseptic material.

WANG J, DAI P