Document Type and Number:
Japanese Patent JPH038878
Kind Code:
Y2
Application Number:
JP9586984U
Publication Date:
March 05, 1991
Filing Date:
June 25, 1984
Export Citation:
International Classes:
F16L39/00; F16L37/00; F16L41/02; (IPC1-7): F16L41/02; F16L41/02; F16L39/00