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发明名称
PIPELINE WITH SWITCHABLE BARRIER FOR DECREASING FLUID'S LEAKAGE
摘要
申请公布号
YU45545(B)
申请公布日期
1992.05.28
申请号
YU19820002095
申请日期
1982.09.21
申请人
ALCATEL NV
发明人
BALOG G E
分类号
F16J15/00;F16L55/16;H01B7/14;H01B9/06;H02G9/02;H02G15/20;(IPC1-7):F16L55/16
主分类号
F16J15/00
代理机构
代理人
主权项
地址
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