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发明名称
METHOD OF TUNNELLING DURING WASTE WATERS' COLLECTORS MAINTENANCE AND EQUIPMENT FOR APPLICATION OF THIS METHOD
摘要
申请公布号
CS246069(B2)
申请公布日期
1986.10.16
申请号
CS19830008669
申请日期
1983.11.22
申请人
GEWERKSCHAFT EISENHUETTE WESTFALIA,DE
发明人
STUCKMANN,DIETER,DE;HEIN,JUERGEN,DE
分类号
E03F3/06;E21D9/06;F16L55/179;F16L55/18;(IPC1-7):E03F3/06
主分类号
E03F3/06
代理机构
代理人
主权项
地址
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