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发明名称
Improvements in or relating to valve devices
摘要
申请公布号
GB912572(A)
申请公布日期
1962.12.12
申请号
GB19600020516
申请日期
1960.06.10
申请人
SPIRAX-SARCO LIMITED
发明人
BARTLETT LESLIE ROBERT
分类号
F16T1/08;G05D23/08
主分类号
F16T1/08
代理机构
代理人
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