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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH04133323
Kind Code:
U
Application Number:
JP4829891U
Publication Date:
December 11, 1992
Filing Date:
May 30, 1991
Export Citation:
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International Classes:
B21F7/00; D07B3/00; H01B13/02; (IPC1-7): H01B13/02; B21F7/00; D07B3/00