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发明名称
DEVICE FOR EXPANDING PIPES
摘要
申请公布号
EP0324463(B1)
申请公布日期
1991.02.27
申请号
EP19890100457
申请日期
1989.01.12
申请人
HANS BROCHIER GMBH & CO
发明人
ZIMMERMANN, HEINZ
分类号
E03F3/06;E21B7/30;F16L55/165
主分类号
E03F3/06
代理机构
代理人
主权项
地址
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