D-1 建築設備配管系の簡易な超音波測定による局部腐食深さの推定法
Method to estimate corrosion depth of building equipment piping by supersonic measurement

akira TAKAKUSAGI
1999 Techinical Papers of Annual Meeting the Society of Heating,Air-conditioning and Sanitary Engineers of Japan  
doi:10.18948/shasetaikai.1999.1.0_209 fatcat:xmirpkyoxvfdlil3lvh73bvud4