Inventor

XU GUAN-WU

CN2 patents

Patents

2 patents

US7743687B2Jun 29, 2010

Screwdriver helper

HONGFUJIN PREC IND SHENZHEN1 citations45

US7597369B2Oct 6, 2009

Clamp tool for circuit board

HONGFUJIN PREC IND SHENZHEN0 citations44