Document Type and Number:
Japanese Patent JPS56173202
Kind Code:
U
Application Number:
JP7222080U
Publication Date:
December 21, 1981
Filing Date:
May 26, 1980
Export Citation:
International Classes:
F15B13/043; F15B9/09; F15B13/00; F15B13/04; F16K31/42; (IPC1-7): F15B13/04; F15B9/09; F16K31/42