Document Type and Number:
Japanese Patent JPH02114101
Kind Code:
U
Application Number:
JP2088289U
Publication Date:
September 12, 1990
Filing Date:
February 25, 1989
Export Citation:
International Classes:
B21B31/10; B21B13/14; (IPC1-7): B21B13/14; B21B31/10
Domestic Patent References:
| JPS5557311A | 1980-04-28 | |||
| JPS5524746A | 1980-02-22 | |||
| JPH0225213A | 1990-01-26 |