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发明名称
Treppe aus Einzel- bzw. Fertigteilen
摘要
申请公布号
DE807022(C)
申请公布日期
1951.10.08
申请号
DE1948P013242
申请日期
1948.10.02
申请人
FRANZ DROLS
发明人
DROLS FRANZ
分类号
E04F11/025
主分类号
E04F11/025
代理机构
代理人
主权项
地址
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