Document Type and Number:
Japanese Patent JPS5550216
Kind Code:
Y2
Application Number:
JP7115277U
Publication Date:
November 21, 1980
Filing Date:
June 01, 1977
Export Citation:
International Classes:
E03B7/04; E03B7/07; F16L11/12; F16L41/02; F16L55/00; (IPC1-7): E03B7/07; F16L55/00