Document Type and Number:
Japanese Patent JPH039969
Kind Code:
Y2
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Application Number:
JP13246482U
Publication Date:
March 12, 1991
Filing Date:
August 31, 1982
Export Citation:
International Classes:
B24B31/033; B24B31/02; (IPC1-7): B24B31/02
Next Patent: PIGMENT INK FOR WRITING IMPLEMENT