Document Type and Number:
Japanese Patent JPS57200347
Kind Code:
U
Application Number:
JP8550681U
Publication Date:
December 20, 1982
Filing Date:
June 12, 1981
Export Citation:
International Classes:
B22C13/08; B22C9/02; (IPC1-7): B22C13/08; B22C9/02
Domestic Patent References:
| JPS5070226A | 1975-06-11 |