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发明名称
GATE VALVES
摘要
申请公布号
GB2234043(B)
申请公布日期
1993.07.14
申请号
GB19900015287
申请日期
1990.07.11
申请人
* R J POND LIMITED
发明人
RICHARD JAMES * POND
分类号
F16K3/02
主分类号
F16K3/02
代理机构
代理人
主权项
地址
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