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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6216190
Kind Code:
Y2
Application Number:
JP4338678U
Publication Date:
April 23, 1987
Filing Date:
April 04, 1978
Export Citation:
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International Classes:
B02B5/02; B02B3/04; B02B5/00; B02B7/00; (IPC1-7): B02B5/02