2024-03-29T16:03:55Zhttps://eprints.lib.hokudai.ac.jp/dspace-oai/requestoai:eprints.lib.hokudai.ac.jp:2115/415782019-03-18T09:57:07Zhdl_2115_40327hdl_2115_40231hdl_2115_139直流機の無火花帯の一解析法An Analytic Method of the No Spark Zone of DC Machines松島, 由太郎藤原, 一500北海道大学Departmental Bulletin Paperapplication/pdfhttp://hdl.handle.net/2115/41578https://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/41578/1/95_31-38.pdf0385-602XAN00230223北海道大學工學部研究報告9531381979-08-31jpnpublisher