Document Type and Number:
Japanese Patent JPS6438388
Kind Code:
U
Application Number:
JP5790788U
Publication Date:
March 07, 1989
Filing Date:
April 28, 1988
Export Citation:
International Classes:
F16L33/00; F16L33/04; F16L33/22; F16L35/00; (IPC1-7): F16L33/04; F16L33/22