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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS647292
Kind Code:
U
Application Number:
JP9969587U
Publication Date:
January 17, 1989
Filing Date:
June 29, 1987
Export Citation:
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International Classes:
B24B31/14; C04B38/08; D06C11/00; (IPC1-7): D06C11/00; B24B31/14; C04B38/08
Domestic Patent References:
JPS5584407A1980-06-25
JPS60242960A1985-12-02
JPS5491530A1979-07-20
JPH01168904A1989-07-04