Document Type and Number:
Japanese Patent JPH031675
Kind Code:
Y2
Application Number:
JP3943585U
Publication Date:
January 18, 1991
Filing Date:
March 18, 1985
Export Citation:
International Classes:
F16L19/04; F16L29/00; (IPC1-7): F16L19/04; F16L29/00
Next Patent: PICTURE RECORDER