Document Type and Number:
Japanese Patent JPS4998367
Kind Code:
A
Application Number:
JP1057773A
Publication Date:
September 18, 1974
Filing Date:
January 25, 1973
Export Citation:
International Classes:
B21J5/06; B21K1/76
Domestic Patent References:
| JPS3937047Y1 | ||||
| JP41017737A |