国家/地区 中国（2）
IPC部 C（2）
IPC大类 C21（2）
IPC小类 C21D（2）
IPC C21D001/00（2）
发明人
公开年 2021（2）
申请年
专利权人

Nano lubricating method for improving corrugated roller hot rolled metal plate surface quality, involves carrying out heat treatment to single layer or composite metal plate obtained by rolling, straightening, trimming, and segmenting.

ZHAO J, MA L, MA X, WANG C, HUANG Q

Metal closed circulating cold water device for heat treatment, has cold water tank whose top is located at one side of water pump through opening connected with water inlet hose, where top of water inlet hose is connected with water inlet connecting pipe.

SONG Y