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发明名称
LARGE CROSS-SECTION SUNKEN CONDUIT
摘要
申请公布号
DE3567521(D1)
申请公布日期
1989.02.16
申请号
DE19853567521
申请日期
1985.07.15
申请人
MATIERE, MARCEL
发明人
MATIERE, MARCEL
分类号
E02B9/06;E02D29/045;E02F5/10;E03F3/04;E21D11/08;F16L1/028;F16L1/038;F16L9/22;(IPC1-7):F16L9/22;E02D29/04
主分类号
E02B9/06
代理机构
代理人
主权项
地址
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