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发明名称
Improvements in liquid flow control valve apparatus
摘要
申请公布号
GB885256(A)
申请公布日期
1961.12.20
申请号
GB19570015007
申请日期
1957.05.10
申请人
DOWTY HYDRAULIC UNITS LIMITED
发明人
BOWERS ERIC HIDER;THOMA OSWALD
分类号
F15B11/22;F15B13/02
主分类号
F15B11/22
代理机构
代理人
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地址
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