ABSTRACT
H. NAKAMURA and N. TAKADA Nittetsu Column Co. Ltd. Yokohama. Japan M. YAMADA Faculty of Engineering. University ofTohoku. Sendai. Japan
1 Introduction
,
H. NAKAMURA and N. TAKADA Nittetsu Column Co. Ltd. Yokohama. Japan M. YAMADA Faculty of Engineering. University ofTohoku. Sendai. Japan
1 Introduction
,