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经营范围
发明名称
Flow regulating valve
摘要
申请公布号
GB2253893(A)
申请公布日期
1992.09.23
申请号
GB19910006119
申请日期
1991.03.22
申请人
* DEREVE
发明人
GERALD ALFRED JOHN * SPRINGER
分类号
G05D16/06
主分类号
G05D16/06
代理机构
代理人
主权项
地址
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