Document Type and Number:
Japanese Patent JPH03101335
Kind Code:
U
Application Number:
JP1037290U
Publication Date:
October 22, 1991
Filing Date:
February 05, 1990
Export Citation:
International Classes:
B21K27/00; (IPC1-7): B21K27/00
Domestic Patent References:
| JPS608130A | 1985-01-17 |