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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH03113750
Kind Code:
U
Application Number:
JP2177690U
Publication Date:
November 21, 1991
Filing Date:
March 03, 1990
Export Citation:
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International Classes:
B24B31/033; B24B31/12; (IPC1-7): B24B31/12; B24B31/033
Domestic Patent References:
JPH01121161A1989-05-12