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发明名称
Improvements in valves
摘要
申请公布号
GB430265(A)
申请公布日期
1935.06.17
申请号
GB19340000317
申请日期
1934.01.04
申请人
H. W. AITKEN COMPANY, LIMITED;ROBERT WOTHERSPOON
发明人
分类号
F16K3/02;F16K3/18
主分类号
F16K3/02
代理机构
代理人
主权项
地址
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