Inventor

RAO HANXIN

CN2 patents

Patents

2 patents

US9863624B2Jan 9, 2018

Gas-filled LED bulb manufactured by SMT

SHENZHEN EASTFIELD LIGHTING CO LTD5 citations66

US9822933B2Nov 21, 2017

Gas-filled LED bulb

SHENZHEN EASTFIELD LIGHTING CO LTD5 citations66