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发明名称
Verbindungsstück für Rohrelemente, insbesondere für Gitterwerk, Gerüste u. dgl.
摘要
申请公布号
AT174197(B)
申请公布日期
1953.03.10
申请号
ATD174197
申请日期
1949.04.21
申请人
PONTEGGI TUBOLARI DALMINE INNOCENTI S. P. A.
发明人
分类号
主分类号
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