Document Type and Number:
Japanese Patent JPS56134477
Kind Code:
U
Application Number:
JP3279380U
Publication Date:
October 12, 1981
Filing Date:
March 12, 1980
Export Citation:
International Classes:
F16L3/00; F16L3/16; F16L7/00; (IPC1-7): F16L3/16; F16L7/00