Document Type and Number:
Japanese Patent JPH02149217
Kind Code:
U
Application Number:
JP5934789U
Publication Date:
December 19, 1990
Filing Date:
May 23, 1989
Export Citation:
International Classes:
A61F6/04; (IPC1-7): A61F6/04; A61F5/43
Domestic Patent References:
| JPS5636313B1 | 1981-08-22 |