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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0253357
Kind Code:
U
Application Number:
JP13371088U
Publication Date:
April 17, 1990
Filing Date:
October 13, 1988
Export Citation:
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International Classes:
B24B55/06; B24B31/12; (IPC1-7): B24B31/12; B24B55/06
Domestic Patent References:
JPS5615970A1981-02-16
JPS58219966A1983-12-21
JPS5775775A1982-05-12



 
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