Document Type and Number:
Japanese Patent JPS57143473
Kind Code:
U
Application Number:
JP2980781U
Publication Date:
September 08, 1982
Filing Date:
March 03, 1981
Export Citation:
International Classes:
F16L15/04; (IPC1-7): F16L15/04
Domestic Patent References:
| JP54045413B | ||||
| JP48070215B | ||||
| JPS5211770A | 1977-01-28 | |||
| JPS4899716A | 1973-12-17 |