The company has been granted the invention patentIssuing time:2015-01-08 09:27 Our company's invention application of "Z spindle wheel drive configuration and system of multi-z axis CNC machine tool" was substantially examined by the state intellectual property office, and was granted a patent right by the state intellectual property office on August 20, 2014, and issued the invention patent certificate, the invention patent number is "ZL 2012 1 0474323.5". |