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发明名称
IMPROVEMENTS IN OR RELATING TO VALVES
摘要
申请公布号
EP0842334(A4)
申请公布日期
1998.12.09
申请号
EP19960925598
申请日期
1996.08.02
申请人
ORBELL, MURIEL ANN
发明人
ORBELL, JOSEPH, ROBIN
分类号
E03D1/14;E03D1/30;F16K31/20;F16K33/00;(IPC1-7):E03D1/22;E03D3/12
主分类号
E03D1/14
代理机构
代理人
主权项
地址
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