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发明名称
Vorrichtung zum Erlernen des linkshändigen Schreibens
摘要
申请公布号
DE202010011453(U1)
申请公布日期
2010.10.21
申请号
DE201020011453U
申请日期
2010.08.17
申请人
SATTLER, JOHANNA BARBARA
发明人
分类号
G09B11/00;B43L3/00;G09B11/04
主分类号
G09B11/00
代理机构
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