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 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

Preparation method of guardrail with good corrosion resistance by subjecting base material to vortex flaw detection, removing rust, hot-dip galvanizing, passivating and degreasing, phosphating, drying, spraying zinc-rich primer and curing.

ZHANG X