国家/地区 中国（2）
IPC部 B（2）
IPC大类 B05（2）
IPC小类 B05D（2）
IPC B05D003/00（2）
发明人
公开年 2021（2）
申请年 2021（2） 
专利权人

High air salt concentration galvanized iron art railing forging processing technique involves heating iron rail, separating iron block impurity, immersing iron rail into the oil removing solution, and washing with deionized water.

SONG J

Preparing Teflon corrugated pipe internal crimping joint comprises using 304 stainless steel processing to make withholding joints and coating crimping joint surface with corrosion-resistant modified polyperfluoroethylene propylene coating.

WANG W, WANG L, LI S