2. Patent number of the utility model automatic measuring device for the inner diameter of automobile bearing rings.
ZL.20 10.2.0512407.x, 2010 year.
3. The utility model is a patent of a flexible platform for automatically measuring the inner diameter of automobile bearings.
4. The copyright of the software is body measurement management software V 1.0, with the authorization number of 2009SR0 15555, 2009.
5. Software copyright comparison software: V 1.0, authorization number 2009SR0 15556, 2009.