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发明名称
Kappendeckel für unter Flur befindliche Abschlußorgane von Rohrleitungen
摘要
申请公布号
AT188660(B)
申请公布日期
1957.02.11
申请号
ATD188660
申请日期
1955.02.07
申请人
GESELLSCHAFT DER LUDW. VON ROLL'SCHEN EISENWERKE A.-G.
发明人
分类号
主分类号
代理机构
代理人
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