Document Type and Number:
Japanese Patent JPS5693588
Kind Code:
U
Application Number:
JP17562579U
Publication Date:
July 25, 1981
Filing Date:
December 20, 1979
Export Citation:
International Classes:
F16L29/00; (IPC1-7): F16L29/00
Domestic Patent References:
| JP51054822B | ||||
| JPS4930918B1 |
Foreign References:
| US3450424A | 1969-06-17 |