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
申请年 2020（2）
专利权人

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

Heat treatment device for processing hardware product, has curved pipe whose surface is fixedly connected with graphene heat conducting plate through bolt, where surface of plate is provided with through hole.

SUN S, GAO Q