Document Type and Number:
Japanese Patent JPH0341857
Kind Code:
Y2
Application Number:
JP15107086U
Publication Date:
September 03, 1991
Filing Date:
October 01, 1986
Export Citation:
International Classes:
B21C37/00; B21D13/10; B21D31/00; B21D47/01; B21D53/00; (IPC1-7): B21D13/10; B21D31/00; B21D47/01; B21D53/00
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