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经营范围
发明名称
Experimentierbaukasten für naturwissenschaftliche Schulversuche
摘要
申请公布号
DE9408022(U1)
申请公布日期
1994.11.03
申请号
DE19940008022U
申请日期
1994.05.14
申请人
HAERTEL, PETER, DR., 31139 HILDESHEIM, DE
发明人
分类号
G09B23/06;G09B23/18;G09B25/02;(IPC1-7):G09B23/00
主分类号
G09B23/06
代理机构
代理人
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地址
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