Document Type and Number:
Japanese Patent JPS57143476
Kind Code:
U
Application Number:
JP3000981U
Publication Date:
September 08, 1982
Filing Date:
March 04, 1981
Export Citation:
International Classes:
F16L29/00; (IPC1-7): F16L29/00
Domestic Patent References:
| JPS54525A | 1979-01-05 | |||
| JPS5317928B2 | 1978-06-12 |