Document Type and Number:
Japanese Patent JPS5318881
Kind Code:
Y2
Application Number:
JP3895573U
Publication Date:
May 19, 1978
Filing Date:
March 30, 1973
Export Citation:
International Classes:
F04B9/02; F04B9/04; F04B13/00; F04B49/00; (IPC1-7): F04B49/00; F04B9/04