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发明名称
IMPROVEMENT IN METHOD AND APPARATUS FOR INSTALLING A REPLACEMENT PIPE IN AN EXISTING UNDERGROUND CONDUIT
摘要
申请公布号
AU636118(B2)
申请公布日期
1993.04.22
申请号
AU19890041728
申请日期
1989.09.26
申请人
NU-PIPE, INC.
发明人
CAMPBELL H. STEKETEE JR
分类号
F16L1/00;B26D3/16;B29C47/90;B29C63/00;F16L55/165;F16L55/179;F16L58/02
主分类号
F16L1/00
代理机构
代理人
主权项
地址
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