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

Sampling tank useful for collecting and storing ambient air samples, comprises tank body formed of two seamlessly welded hemispheres, passivated film layer provided on inner wall of the tank body, and a circular base.

ZHAO Y, WANG J, SONG X, WANG H, GAO Z, LIANG X, LI Y, LI J

Graphene cosmetic mask, has mask main body whose right side is connected with elastic rope, where left end of elastic rope is fixedly connected with buckle and inner part of mask main body is provided with temperature controller.

ZHAO Y, CHEN L