Inventor

LI XUANNAN

CN2 patents

⚠️ This page may combine multiple inventors who share the name “LI XUANNAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MAO FEI

1 patent

US9536418B2Jan 3, 2017

Industrial field real-time working condition radio alarm system

MAO FEI15 citations80

HARBIN EAST ALARM EQUIP DEV CO

1 patent

USD693254SNov 12, 2013

Portable gas detector

HARBIN EAST ALARM EQUIP DEV CO6 citations74