Document Type and Number:
Japanese Patent JPH0314010
Kind Code:
U
Application Number:
JP7226590U
Publication Date:
February 13, 1991
Filing Date:
July 09, 1990
Export Citation:
International Classes:
B21D5/01; B21D5/02; (IPC1-7): B21D5/01; B21D5/02
Domestic Patent References:
| JP51147146B | ||||
| JPS3937036Y1 |
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