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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0489651
Kind Code:
U
Application Number:
JP40302790U
Publication Date:
August 05, 1992
Filing Date:
December 10, 1990
Export Citation:
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International Classes:
B24B31/06; B24B31/12; (IPC1-7): B24B31/06; B24B31/12