Document Type and Number:
Japanese Patent JPH0320016
Kind Code:
Y2
Application Number:
JP8106587U
Publication Date:
April 30, 1991
Filing Date:
May 29, 1987
Export Citation:
International Classes:
B44B5/00; B21D22/02; B21D37/04; (IPC1-7): B21D37/04; B21D22/02; B21D37/04; B44B5/00
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