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经营范围
发明名称
Process and apparatus for laying buried pipelines
摘要
Published without abstract.
申请公布号
DE3815263(A1)
申请公布日期
1989.11.16
申请号
DE19883815263
申请日期
1988.05.05
申请人
DIPL.-ING. GESSLER UND DEGENHARDT TIEF- UND ROHRLEITUNGSBAU GMBH, 3000 HANNOVER, DE
发明人
ALBAT, HARALD, 3007 GEHRDEN, DE
分类号
E02F5/10;E21B7/20;E21B7/30
主分类号
E02F5/10
代理机构
代理人
主权项
地址
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