Document Type and Number:
Japanese Patent JPH0314221
Kind Code:
Y2
Application Number:
JP8764484U
Publication Date:
March 29, 1991
Filing Date:
June 13, 1984
Export Citation:
International Classes:
A63F7/02; B24B31/10; B24B31/16; (IPC1-7): A63F7/02; B24B31/16
Next Patent: JPH0314222