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经营范围
发明名称
Hydraulic valve system including a pilot valve and a main unloader valve
摘要
申请公布号
US3336933(A)
申请公布日期
1967.08.22
申请号
US19660534179
申请日期
1966.03.14
申请人
发明人
MERCIER JEAN
分类号
F15B1/027;G05D16/10
主分类号
F15B1/027
代理机构
代理人
主权项
地址
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