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发明名称
Verfahren und Einrichtung zum Pruefen von Rohren auf Undichtigkeiten
摘要
申请公布号
DE1473396(A1)
申请公布日期
1968.10.31
申请号
DE19641473396
申请日期
1964.10.07
申请人
CALUMET & HECLA,INC.
发明人
LEROY HERREN,JAMES
分类号
G01M3/28
主分类号
G01M3/28
代理机构
代理人
主权项
地址
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