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经营范围
发明名称
EINMONTIERTE OEFFNUNGSVORRICHTUNG AN GESCHLOSSENEN BRIEFUMSCHLAEGEN.
摘要
申请公布号
DE1621001(U)
申请公布日期
1951.03.15
申请号
DE195000ST107U
申请日期
1950.10.28
申请人
WILHELM STROH
发明人
WILHELM STROH
分类号
主分类号
代理机构
代理人
主权项
地址
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