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发明名称
FREMGANGSMAADE OG APARAT TIL AT SKUBBE ROER GENNEM EN ROERLEDNING
摘要
申请公布号
DK36591(D0)
申请公布日期
1991.03.01
申请号
DK19910000365
申请日期
1991.03.01
申请人
LILJEHAMMAR BERTIL
发明人
LILJEHAMMAR BERTIL
分类号
E21B19/086;(IPC1-7):F16L55/165
主分类号
E21B19/086
代理机构
代理人
主权项
地址
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