Document Type and Number:
Japanese Patent JPS5155851
Kind Code:
U
Application Number:
JP12899374U
Publication Date:
April 30, 1976
Filing Date:
October 26, 1974
Export Citation:
International Classes:
B21D1/02; B21B15/00; B21B31/16; B21D1/05; (IPC1-7): B21D1/02; B21B31/16; B21B37/08
Domestic Patent References:
| JPS5139633A | 1976-04-02 |
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