Document Type and Number:
Japanese Patent JPH0444988
Kind Code:
U
Application Number:
JP8764390U
Publication Date:
April 16, 1992
Filing Date:
August 22, 1990
Export Citation:
International Classes:
A63F7/02; B24B31/12; B24B31/16; (IPC1-7): A63F7/02; B24B31/12; B24B31/16
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