The Detection Measurement of Voids Under Paint Coating Utilizing Sonic Transmission
音響伝播を利用した塗膜の浮きの検出・測定方法

Tomosaburo KAWAHARA, Takashi NAKAJIMA
1989 Journal of the Japan Society of Colour Material  
doi:10.4011/shikizai1937.62.749 fatcat:gjjsds2ognekhodiwyccfx4mgi