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经营范围
发明名称
Laufsteggitter
摘要
申请公布号
DE564348(C)
申请公布日期
1932.11.18
申请号
DENDATA050346D
申请日期
申请人
HERMANN APEL
发明人
分类号
E04C2/42
主分类号
E04C2/42
代理机构
代理人
主权项
地址
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