Document Type and Number:
Japanese Patent JPS5179547
Kind Code:
U
Application Number:
JP15417174U
Publication Date:
June 23, 1976
Filing Date:
December 19, 1974
Export Citation:
International Classes:
B23Q3/06; B21D3/16; B21D7/06; B21D7/16; B23B31/10; (IPC1-7): B21D7/16; B21D3/16; B23B31/10
Foreign References:
| GB1213990A | 1970-11-25 |