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发明名称
Improvements in or relating to valve assemblies
摘要
申请公布号
GB584376(A)
申请公布日期
1947.01.14
申请号
GB19440004229
申请日期
1944.03.07
申请人
ADEL PRECISION PRODUCTS CORP.
发明人
分类号
F15B13/04;F16K31/524
主分类号
F15B13/04
代理机构
代理人
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