Document Type and Number:
Japanese Patent JPH03116241
Kind Code:
U
Application Number:
JP2205690U
Publication Date:
December 02, 1991
Filing Date:
March 05, 1990
Export Citation:
International Classes:
B21J13/02; B21K1/30; (IPC1-7): B21J13/02; B21K1/30
Domestic Patent References:
| JPS58122145A | 1983-07-20 | |||
| JPS5750117U | 1982-03-20 | |||
| JPH0263633A | 1990-03-02 |