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发明名称
VERFAHREN ZUM REPARIEREN VON UNTERIRDISCH VERLEGTEN LEITUNGEN
摘要
申请公布号
DE3447491(A1)
申请公布日期
1985.07.18
申请号
DE19843447491
申请日期
1984.12.27
申请人
TOKYO GAS CO.LTD.;HAKKO CO.,LTD.
发明人
KAMURO,TAKASHI;OOTSUGA,HISAO;SAITO,ISAO;KOGA,MOTOYUKI
分类号
F16L55/16;B05D7/22;F16L55/10;F16L55/1645;F16L55/18;F16L58/10;G01M3/28;(IPC1-7):F16L55/16;F17D5/00
主分类号
F16L55/16
代理机构
代理人
主权项
地址
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