Document Type and Number:
Japanese Patent JPS5685785
Kind Code:
U
Application Number:
JP16883479U
Publication Date:
July 09, 1981
Filing Date:
December 06, 1979
Export Citation:
International Classes:
F16L27/08; F16L15/04; F16L21/02; F16L29/00; F16L37/00; F16L37/08; (IPC1-7): F16L27/08; F16L15/04; F16L21/02; F16L37/08
Domestic Patent References:
| JP54087429B |