Document Type and Number:
Japanese Patent JPS5789077
Kind Code:
U
Application Number:
JP16813180U
Publication Date:
June 01, 1982
Filing Date:
November 21, 1980
Export Citation:
International Classes:
F16L5/00; E03C1/00; E03C1/042; (IPC1-7): F16L5/00; E03C1/00