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发明名称
METHOD OF COAXIALLY ALIGNING TWO PIPE SECTIONS TO BE CONNECTED TOGETHER WHILE BUILDING PIPING SYSTEMS FOR TRANSPORTING ABRASIVE MATERIALS BY MEANS OF CARRIER FLUID
摘要
申请公布号
PL345436(A1)
申请公布日期
2002.07.29
申请号
PL20010345436
申请日期
2001.01.24
申请人
NAPOROWSKI ZBIGNIEW
发明人
NAPOROWSKI ZBIGNIEW
分类号
E21F15/08;(IPC1-7):E21F15/08
主分类号
E21F15/08
代理机构
代理人
主权项
地址
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