Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Okabe Nobutaka and Kimura Toshiaki and Kanda Yuichi,Development of a collision prevention system for machine tools based on standard technologies (2nd report),Proceedings of JSPE Semestrial Meeting,,The Japan Society for Precision Engineering,2007,2007A,0,401-402,https://cir.nii.ac.jp/crid/1390282680627710720,https://doi.org/10.11522/pscjspe.2007a.0.401.0