Document Type and Number:
Japanese Patent JPS57501095
Kind Code:
A
Application Number:
JP50227480A
Publication Date:
June 24, 1982
Filing Date:
July 31, 1980
Export Citation:
International Classes:
F04B9/08; F04B9/133; F15B3/00; (IPC1-7): F04B9/08; F15B3/00