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发明名称
MECHANICAL PENCIL
摘要
申请公布号
JPH1199795(A)
申请公布日期
1999.04.13
申请号
JP19970281317
申请日期
1997.09.29
申请人
PENTEL KK
发明人
HENMI TOSHIRO
分类号
B43K21/027;B43K21/16;(IPC1-7):B43K21/027
主分类号
B43K21/027
代理机构
代理人
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