Document Type and Number:
Japanese Patent JPS6416211
Kind Code:
U
Application Number:
JP11235487U
Publication Date:
January 26, 1989
Filing Date:
July 22, 1987
Export Citation:
International Classes:
B21D28/14; B23D15/04; B23D35/00; (IPC1-7): B23D15/04; B21D28/14; B23D35/00
Domestic Patent References:
| JPS5327291B2 | 1978-08-08 |
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