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发明名称
BROKEN LEAD DISCHARGE MECHANISM OF PENCIL SHARPENER
摘要
申请公布号
JPH04212899(A)
申请公布日期
1992.08.04
申请号
JP19900403981
申请日期
1990.12.03
申请人
HAYASHI NORIYUKI
发明人
HAYASHI NORIYUKI
分类号
B43L23/08
主分类号
B43L23/08
代理机构
代理人
主权项
地址
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Spectacle frame has nose bridge and side-pieces connected to lenses by front and rear bars connected by bolts
