Inventor

LIU SHANDANG

CN2 patents

Patents

2 patents

US9827616B2Nov 28, 2017

Method for implementing high-precision backdrilling stub length control

HUAWEI TECH CO LTD0 citations34

US9426902B2Aug 23, 2016

Printed circuit board, and method and apparatus for drilling printed circuit board

HUAWEI TECH CO LTD0 citations24