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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0534810
Kind Code:
Y2
Application Number:
JP5992388U
Publication Date:
September 03, 1993
Filing Date:
May 06, 1988
Export Citation:
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International Classes:
B21D11/06; B21D7/08; (IPC1-7): B21D11/06; B21D7/08