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经营范围
发明名称
MECHANICAL PENCIL
摘要
申请公布号
US3575516(A)
申请公布日期
1971.04.20
申请号
USD3575516
申请日期
1969.02.10
申请人
DAI NIHON BUNGU KK.
发明人
YUKIO HORIE
分类号
B43K21/18;(IPC1-7):B43K21/18
主分类号
B43K21/18
代理机构
代理人
主权项
地址
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