Document Type and Number:
Japanese Patent JPH0433422
Kind Code:
U
Application Number:
JP7089490U
Publication Date:
March 18, 1992
Filing Date:
July 03, 1990
Export Citation:
International Classes:
B21D28/02; B21D28/34; B21D37/02; B21D45/00; (IPC1-7): B21D28/02; B21D28/34; B21D37/02; B21D45/00
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