Document Type and Number:
Japanese Patent JPH0524440
Kind Code:
Y2
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Application Number:
JP11363186U
Publication Date:
June 22, 1993
Filing Date:
July 24, 1986
Export Citation:
International Classes:
B24B31/12; B24B31/073; B24B31/16; (IPC1-7): B24B31/073; B24B31/12
Next Patent: JPH0524441