Document Type and Number:
Japanese Patent JPS63171782
Kind Code:
U
Application Number:
JP6581887U
Publication Date:
November 08, 1988
Filing Date:
April 30, 1987
Export Citation:
International Classes:
F16L11/11; (IPC1-7): F16L11/11
Domestic Patent References:
| JP59068887B | ||||
| JPS5645682B2 | 1981-10-28 | |||
| JPS6234281B2 | 1987-07-25 | |||
| JPS556080A | 1980-01-17 |