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发明名称
KNOCK TYPE MECHANICAL PENCIL WITH BUILT-IN UNIT
摘要
申请公布号
JPH1134578(A)
申请公布日期
1999.02.09
申请号
JP19970212470
申请日期
1997.07.23
申请人
YOKOHAMA PLAST:KK
发明人
SATO KUNIHIRO
分类号
B43K29/00;B43K21/00;B43K29/10;F21L4/00;F21V33/00;(IPC1-7):B43K29/10;F21L11/00
主分类号
B43K29/00
代理机构
代理人
主权项
地址
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