bkneddyの公開自分史 http://pastport.jp/user/bkneddy ja-JP Nanjing BKN Automation System Co.,LTD Nanjing BOKENA Automation System Co.,Ltd., originated from the eddy current testing laboratory of Nanjing University of Technology. It is a eddy current testing benchmark enterprise and has long been committed to the development and production of bearing 2020-01-22T16:04:50+0900 http://pastport.jp/user/bkneddy/timeline/Nanjing%20BKN%20Automation%20System%20Co.%2CLTD bkneddy http://pastport.jp/user/bkneddy/timeline/Nanjing%20BKN%20Automation%20System%20Co.%2CLTD