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发明名称
Spindeltreppe
摘要
申请公布号
AT278333(B)
申请公布日期
1970.01.26
申请号
AT19680002223
申请日期
1968.03.07
申请人
WILHELM KENNGOTT KG. BETONSTEINWERK
发明人
分类号
E04F11/032;(IPC1-7):E04F11/00
主分类号
E04F11/032
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