Document Type and Number:
Japanese Patent JPS5720921
Kind Code:
Y2
Application Number:
JP3957076U
Publication Date:
May 06, 1982
Filing Date:
April 02, 1976
Export Citation:
International Classes:
F15B13/044; F16K11/07; F16K31/06; F16K39/04; (IPC1-7): F16K11/07