Document Type and Number:
Japanese Patent JPH0222210
Kind Code:
Y2
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Application Number:
JP2041584U
Publication Date:
June 14, 1990
Filing Date:
February 15, 1984
Export Citation:
International Classes:
B24B31/073; B24B31/06; (IPC1-7): B24B31/06
Next Patent: JPH0222211