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发明名称
PROPORTIONAL FLOW VALVE
摘要
申请公布号
GB9019286(D0)
申请公布日期
1990.10.17
申请号
GB19900019286
申请日期
1990.09.04
申请人
AUTOMATIC SWITCH COMPANY
发明人
分类号
F16K31/42;F16K31/06
主分类号
F16K31/42
代理机构
代理人
主权项
地址
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