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发明名称
ERGONOMIC DOMESTIC BLACKBOARD
摘要
申请公布号
PL110011(U1)
申请公布日期
2001.06.18
申请号
PL19990110011U
申请日期
1999.12.16
申请人
GORKA STEFAN
发明人
GORKA STEFAN
分类号
B43L1/04;(IPC1-7):B43L1/04
主分类号
B43L1/04
代理机构
代理人
主权项
地址
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