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发明名称
FLUID PRESSURE ACTUATOR FOR VALVE
摘要
申请公布号
CA677306(A)
申请公布日期
1963.12.31
申请号
CAD677306
申请日期
申请人
WATER REFINING COMPANY
发明人
DONALD ROSE
分类号
主分类号
代理机构
代理人
主权项
地址
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