Kiyoshi Ozawa

Application of In-Pipe Visual Inspection Robot to Piping Internal Surface Lining

Kazumasa Kato, Shoji Nagano, Yoshiyuki Oka, 1988 .

Iron-nitride magnetic fluids prepared by vapor-liquid reaction and their magnetic properties

Kiyoshi Ozawa, K. Ozawa, I. Nakatani, 1993 .