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发明名称
Hand-controlled valve
摘要
申请公布号
GB504172(A)
申请公布日期
1939.04.20
申请号
GB19380026594
申请日期
1938.09.12
申请人
FREDERICK HOWARD STROUP
发明人
分类号
F16K31/524
主分类号
F16K31/524
代理机构
代理人
主权项
地址
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