Document Type and Number:
Japanese Patent JPH0217716
Kind Code:
Y2
Application Number:
JP19483783U
Publication Date:
May 17, 1990
Filing Date:
December 16, 1983
Export Citation:
International Classes:
B21D24/00; B21D11/02; B21D22/20; B21D28/14; B21D28/34; B21D31/00; B21D37/08; (IPC1-7): B21D37/08
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