@article{oai:oka-shodai.repo.nii.ac.jp:00000858,
 author = {岡田, 洋一},
 journal = {法学論叢},
 month = {Feb},
 note = {5, P},
 pages = {五五--七八},
 title = {特許無効手続の歴史的考察},
 volume = {17},
 year = {2009}
}