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发明名称
FREMGANGSMAATE FOR REHABILITERING AV ROERSYSTEMER.
摘要
申请公布号
NO883836(A)
申请公布日期
1990.02.27
申请号
NO19880003836
申请日期
1988.08.26
申请人
ELKEM MATERIALS A/S
发明人
SVENKERUD, PER
分类号
F16L;F16L55/165;(IPC1-7):F16L55/165
主分类号
F16L
代理机构
代理人
主权项
地址
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