Document Type and Number:
Japanese Patent JPH043698
Kind Code:
Y2
Application Number:
JP18569686U
Publication Date:
February 05, 1992
Filing Date:
December 01, 1986
Export Citation:
International Classes:
B21F1/00; B21D7/024; B21D11/12; (IPC1-7): B21F1/00; B21D7/024; B21D11/12
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