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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH03128890
Kind Code:
U
Application Number:
JP3740890U
Publication Date:
December 25, 1991
Filing Date:
April 06, 1990
Export Citation:
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International Classes:
G04D3/04; B25B11/00; (IPC1-7): G04D3/04; B25B11/00