Document Type and Number:
Japanese Patent JPS5281437
Kind Code:
U
Application Number:
JP16927775U
Publication Date:
June 17, 1977
Filing Date:
December 17, 1975
Export Citation:
International Classes:
B23Q3/06; B21J13/08; B21K1/48; B21K27/00; B21K27/06; B23D3/00; B23D33/02; B26D7/02; (IPC1-7): B23D3/00; B21K1/48; B21K27/06; B23D33/02
Domestic Patent References:
| JPS49134562A | 1974-12-25 |