@article{oai:nagano-nct.repo.nii.ac.jp:00000796, author = {坂口, 正雄}, journal = {長野工業高等専門学校紀要}, month = {Dec}, note = {application}, pages = {41--48}, title = {メカニカルチョッパを用いた変調形増巾器について}, volume = {2}, year = {1967} }