Document Type and Number:
Japanese Patent JPS6427142
Kind Code:
U
Application Number:
JP11886187U
Publication Date:
February 16, 1989
Filing Date:
August 04, 1987
Export Citation:
International Classes:
B22C1/00; B22C9/10; B22D21/04; B22D29/04; (IPC1-7): B22C1/00; B22C9/10; B22D21/04; B22D29/04
Domestic Patent References:
| JPS51117923A | 1976-10-16 | |||
| JPS4848518A | 1973-07-10 |