Document Type and Number:
Japanese Patent JPH032073
Kind Code:
Y2
Application Number:
JP5972686U
Publication Date:
January 21, 1991
Filing Date:
April 21, 1986
Export Citation:
International Classes:
F16K47/04; F16K31/06; F16K39/04; (IPC1-7): F16K31/06; F16K39/04