Document Type and Number:
Japanese Patent JPH0337785
Kind Code:
Y2
Application Number:
JP7575688U
Publication Date:
August 09, 1991
Filing Date:
June 07, 1988
Export Citation:
International Classes:
B21D11/00; B21D7/024; B21D7/06; (IPC1-7): B21D7/06; B21D7/024; B21D7/06; B21D11/00
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