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发明名称
Landkartenschutzhuelle
摘要
申请公布号
DE496751(C)
申请公布日期
1930.04.26
申请号
DE1929H119771D
申请日期
1929.01.05
申请人
DR. ERNST HILS
发明人
分类号
A45F3/50
主分类号
A45F3/50
代理机构
代理人
主权项
地址
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