Document Type and Number:
Japanese Patent JPS5486721
Kind Code:
U
Application Number:
JP16025277U
Publication Date:
June 19, 1979
Filing Date:
December 01, 1977
Export Citation:
International Classes:
F16L37/22; F16L37/00; F16L37/23; (IPC1-7): F16L37/22
Domestic Patent References:
| JP47043051U |