About FUMOUX C
About BERTIN & Cie, France
About LEDUCQ D
About BERTIN & Cie, France
About MARQUETTE G
About BERTIN & Cie, France
About Proceedings. Inter-Noise
About penstock
About Pipeline,air and hydraulic conveyance
About Acoustical measurements and instrumentation
About 水圧
About 配管系
About 要素
About 伝達行列