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Document Type and Number:
Japanese Patent JPH0248220
Kind Code:
Y2
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Application Number:
JP17070885U
Publication Date:
December 18, 1990
Filing Date:
November 06, 1985
Export Citation:
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International Classes:
B24B31/16; A63F7/02; B08B13/00; (IPC1-7): B24B31/16; A63F7/02



 
Next Patent: JPH0248221