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发明名称
Improved electro-magnetic double-acting balanced valve
摘要
申请公布号
GB349165(A)
申请公布日期
1931.05.28
申请号
GB19300007489
申请日期
1930.03.07
申请人
JOSEPH LESLIE MUSGRAVE;RICHARD CRITTALL & COMPANY LIMITED
发明人
分类号
F16K31/06
主分类号
F16K31/06
代理机构
代理人
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地址
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