Document Type and Number:
Japanese Patent JPS5323005
Kind Code:
Y2
Application Number:
JP4458275U
Publication Date:
June 14, 1978
Filing Date:
April 01, 1975
Export Citation:
International Classes:
F16L37/06; E03B9/00; E03C1/086; (IPC1-7): E03B9/00; F16L37/06