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发明名称
Zerlegbare Zuschauertribuene
摘要
申请公布号
DE553431(C)
申请公布日期
1932.06.25
申请号
DENDATG074842D
申请日期
申请人
EMIL GEHRHARDT
发明人
分类号
E04H3/12
主分类号
E04H3/12
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代理人
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