Document Type and Number:
Japanese Patent JPS5218404
Kind Code:
Y2
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Application Number:
JP9790072U
Publication Date:
April 26, 1977
Filing Date:
August 22, 1972
Export Citation:
International Classes:
F04B13/00; F04B9/04; F04B43/02; F04B45/04; F04B49/00; (IPC1-7): F04B45/04; F04B9/04; F04B13/00