Inventor

OU JIAN-TZUNG

TW2 patents

Patents

2 patents

US9839983B2Dec 12, 2017

Machine tool of high-frequency vibration

TONGTAI MACHINE & TOOL CO LTD0 citations33

US9855630B2Jan 2, 2018

Electricity supply tool holder for machining center

TONGTAI MACHINE & TOOL CO LTD0 citations30