About NAGAI HIROYUKI
About 住友金属工業中技研
About SHIOTA TOSHIAKI
About 住友金属工業中技研
About NISHIHARA MINORU
About 住友金属工業中技研
About TADOKORO YOSHIO
About 住友化学工業樹脂開研
About TOGAWA YOSHIAKI
About 住友化学工業樹脂開研
About vibration proofing material
About Other physical and mechanical properties
About Metallic composite materials in general
About 拘束
About 制振鋼板
About 損失係数
About 音響特性
About 心材
About 物性