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经营范围
发明名称
Multi-stage hydraulic amplifier valve
摘要
申请公布号
US2851997(A)
申请公布日期
1958.09.16
申请号
US19560614901
申请日期
1956.10.09
申请人
LEAR, INCORPORATED
发明人
MOTT DALE H. DE;LIEBERMAN ROBERT L.
分类号
F15B13/043;F16K31/00;F16K31/40
主分类号
F15B13/043
代理机构
代理人
主权项
地址
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