国家/地区 中国（2）
IPC部
IPC大类
IPC小类
IPC
发明人 DONG M（2）
公开年 2021（2）
申请年
专利权人 DONG M（2）

Manufacturing surgical cap material, comprises mixing butylene terephthalate, trifluoroacetic acid and methylene dichloride, adding antibacterial agent and polyester solution, ultrasonic treatment to obtain spinning solution and spinning.

DONG M

Concrete curing method involves spraying curing solution on concrete surface, curing, covering with geotextile, moistening, covering with PVC plastic film, covering PVC plastic film with geotextile, and curing.

DONG M