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发明名称
DEVICE FOR PENMANSHIP
摘要
申请公布号
JPS5451641(A)
申请公布日期
1979.04.23
申请号
JP19770117502
申请日期
1977.09.29
申请人
SHARP KK
发明人
YOSHIDA KUNIO
分类号
G09B5/02;G09B11/00;G09B17/00;G09B19/00;G09B19/06;G09G3/22
主分类号
G09B5/02
代理机构
代理人
主权项
地址
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