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经营范围
发明名称
VALVE ACTUATOR
摘要
申请公布号
US3508472(A)
申请公布日期
1970.04.28
申请号
USD3508472
申请日期
1968.03.26
申请人
PITTSBURGH BRASS MFG. CO.
发明人
HARRY T. HARTWICK JR.
分类号
F15B15/08;F15B15/24;F16K31/163;(IPC1-7):F01B3/00;F01B9/02
主分类号
F15B15/08
代理机构
代理人
主权项
地址
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