Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) "HONGOH,Misugi and YOSHIKUNI,Masafumi and HASHII,Hidekazu and UEOKA,Tetsugi and TSUJINO,Jiromaru","Welding Characteristics 27 kHz, 40 kHz, 67 kHz and 94 kHz Ultrasonic Plastic Welding Systems Using Fundamental and higher Resonance Frequencies Simultaneously : Ultrasonic Plastic Welding Using High-Frequency Vibration Systems",振動・音響新技術シンポジウム講演論文集,,日本機械学会,2003-06-04,2003,,39-42,https://cir.nii.ac.jp/crid/1541135670253374336,