Document Type and Number:
Japanese Patent JPS5536875
Kind Code:
Y2
Application Number:
JP7708776U
Publication Date:
August 29, 1980
Filing Date:
June 15, 1976
Export Citation:
International Classes:
G10D13/02; F16L3/00; G10D13/00; (IPC1-7): G10D13/02; F16L3/00