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经营范围
发明名称
HYDRAULIC ACTUATOR FOR CONTROLLING VALVES
摘要
申请公布号
PL145795(B1)
申请公布日期
1988.11.30
申请号
PL19840249590
申请日期
1984.09.14
申请人
发明人
分类号
F16K31/72;F15B15/14;F16K31/122;(IPC1-7):F16K31/122
主分类号
F16K31/72
代理机构
代理人
主权项
地址
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