Document Type and Number:
Japanese Patent JPS6120391
Kind Code:
Y2
Application Number:
JP18182678U
Publication Date:
June 19, 1986
Filing Date:
December 28, 1978
Export Citation:
International Classes:
F16L17/00; F16L21/02; F16L21/08; F16L35/00; (IPC1-7): F16L35/00