2024-03-29T09:31:24Zhttps://eprints.lib.hokudai.ac.jp/dspace-oai/requestoai:eprints.lib.hokudai.ac.jp:2115/404582019-03-18T09:40:37Zhdl_2115_40235hdl_2115_40231hdl_2115_139炭素電極の火花特性に就いてOn the Sparking Characteristics of the Carbon Electrodes坂本, 三郎500北海道大学Departmental Bulletin Paperapplication/pdfhttp://hdl.handle.net/2115/40458https://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/40458/1/4_43-50.pdf0385-602XAN00230187北海道大學工學部彙報443501950-08-01jpnpublisher