国家/地区 中国（2）
IPC部 C（2）
IPC大类 C09（2）
IPC小类 C09D（2）
IPC
发明人 LIANG X（2）
公开年 2021（2）
申请年
专利权人

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

Electroplating of metal on surface of insulating base material for printed circuit board, involves mixing resin and solid filler to obtain resin coating, coating conductive substance forming film and placing in plating solution.

LAI Z, LIANG X, ZHAO T, LIU D, SUN R