Document Type and Number:
Japanese Patent JPS51114342
Kind Code:
U
Application Number:
JP3230175U
Publication Date:
September 16, 1976
Filing Date:
March 12, 1975
Export Citation:
International Classes:
B21C3/16; B21B25/00; B21C37/08; B21D3/00; B21D3/14; (IPC1-7): B21D3/00; B21B25/00; B21C37/08
Domestic Patent References:
| JP39025688A | ||||
| JP46023315U |