Document Type and Number:
Japanese Patent JPH0438885
Kind Code:
Y2
Application Number:
JP8116585U
Publication Date:
September 11, 1992
Filing Date:
May 30, 1985
Export Citation:
International Classes:
B21C25/02; B21C25/00; B21C29/04; (IPC1-7): B21C29/04
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