Document Type and Number:
Japanese Patent JPH029156
Kind Code:
Y2
Application Number:
JP7093980U
Publication Date:
March 06, 1990
Filing Date:
May 23, 1980
Export Citation:
International Classes:
F16K17/34; F15B20/00; F16K17/30; F16L29/00; (IPC1-7): F16K17/30; F15B20/00
Next Patent: JPH029157