Document Type and Number:
Japanese Patent JPS5556221
Kind Code:
Y2
Application Number:
JP7425075U
Publication Date:
December 26, 1980
Filing Date:
May 31, 1975
Export Citation:
International Classes:
F04B39/04; F04B39/00; F04B39/16; F04C29/02; F25B43/02; (IPC1-7): F04B39/16