Document Type and Number:
Japanese Patent JPS4734891
Kind Code:
Y1
Application Number:
JP3144370U
Publication Date:
October 23, 1972
Filing Date:
April 01, 1970
Export Citation:
International Classes:
F04B43/02; F04B13/00; F04B49/00; F04B49/10; (IPC1-7): F04B43/02; F04B13/00; F04B49/00