Document Type and Number:
Japanese Patent JPS5098042
Kind Code:
U
Application Number:
JP733674U
Publication Date:
August 15, 1975
Filing Date:
January 16, 1974
Export Citation:
International Classes:
B21C1/22; B21C3/00; B21C3/02; B21C3/04; B21D5/06; B21F19/00; (IPC1-7): B21D5/06; B21C3/02; B21C3/04
Domestic Patent References:
| JP25003881A |