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发明名称
Valves
摘要
申请公布号
GB2014281(A)
申请公布日期
1979.08.22
申请号
GB19790007301
申请日期
1979.03.01
申请人
WALKER B K
发明人
分类号
F16K31/50;(IPC1-7):F16K31/50
主分类号
F16K31/50
代理机构
代理人
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