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经营范围
发明名称
MULTIPLE ELEMENT CONTROL VALVE
摘要
申请公布号
US3875964(A)
申请公布日期
1975.04.08
申请号
US19730362214
申请日期
1973.05.21
申请人
PROCESS SYSTEMS, INC.
发明人
FRIEDLAND, HARRY
分类号
F16K3/24;G21C9/00;G21D3/04;(IPC1-7):F16K11/24
主分类号
F16K3/24
代理机构
代理人
主权项
地址
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