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发明名称
Anordnung zur Untersuchung des Innernen von Gasleitungsrohren
摘要
申请公布号
DE839142(C)
申请公布日期
1952.05.15
申请号
DE1950R003508
申请日期
1950.09.08
申请人
RUHRGAS AKTIENGESELLSCHAFT
发明人
BROCKHAUS DIPL.-ING. SIEGFRIED
分类号
F17D5/00;G03B37/00
主分类号
F17D5/00
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代理人
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