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发明名称
WRITING INSTRUMENT WITH CORRECT HOLDING WAY LEARNING FUNCTION
摘要
申请公布号
JPH1134570(A)
申请公布日期
1999.02.09
申请号
JP19970202312
申请日期
1997.07.12
申请人
MATSUOKA KAZUMI
发明人
MATSUOKA KAZUMI
分类号
B43K19/02;B43K3/00;G09B19/24;(IPC1-7):B43K3/00
主分类号
B43K19/02
代理机构
代理人
主权项
地址
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