Document Type and Number:
Japanese Patent JPH02127301
Kind Code:
U
Application Number:
JP3400089U
Publication Date:
October 19, 1990
Filing Date:
March 24, 1989
Export Citation:
International Classes:
B21B1/16; B21B13/00; B21B13/12; B21B35/12; (IPC1-7): B21B13/00; B21B1/16; B21B13/12; B21B35/12
Domestic Patent References:
| JPS6340601A | 1988-02-22 |