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发明名称
GASSONDE ZUM AUFFINDEN VON LECKS IN ERDVERLEGTEN LEITUNGEN MIT EINEM HOHLEN DRUCKGAS-ZUFUEHRUNGSROHR
摘要
申请公布号
DE1650255(B2)
申请公布日期
1977.08.25
申请号
DE196700W4845
申请日期
1967.09.20
申请人
发明人
分类号
G01M3/20;(IPC1-7):F17D5/02
主分类号
G01M3/20
代理机构
代理人
主权项
地址
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