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发明名称
PRESSURE-TEMPERATURE COMPENSATED HYDRAULIC VALVE REGULATOR
摘要
申请公布号
US3474811(A)
申请公布日期
1969.10.28
申请号
USD3474811
申请日期
1967.10.16
申请人
ELEVATOR EQUIPMENT CO.
发明人
ROY W. BLAIN
分类号
F15B21/04;G05D16/16;(IPC1-7):F16K17/38;F16K31/36;G05D23/00
主分类号
F15B21/04
代理机构
代理人
主权项
地址
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