Document Type and Number:
Japanese Patent JPS4816651
Kind Code:
Y1
Application Number:
JP280369U
Publication Date:
May 12, 1973
Filing Date:
January 13, 1969
Export Citation:
International Classes:
F16K39/02; F16K31/06; F16K31/10; (IPC1-7): F16K31/06; F16K31/10