Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) NAKAJIMA Hiroyuki,High Reliability Design Method of Solenoid Valves of Low Frequency Use,Journal of the Society of Mechanical Engineers,00214728,The Japan Society of Mechanical Engineers,1971,74,633,1353-1356,https://cir.nii.ac.jp/crid/1390282680899410176,https://doi.org/10.1299/jsmemag.74.633_1353