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发明名称
CHALK HOLDER
摘要
申请公布号
JPH01202500(A)
申请公布日期
1989.08.15
申请号
JP19880028129
申请日期
1988.02.09
申请人
NEC CORP
发明人
KATAOKA AKIYOSHI
分类号
B43K23/00;B43K23/016
主分类号
B43K23/00
代理机构
代理人
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