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发明名称
Pressure-control valve
摘要
申请公布号
US1785759(A)
申请公布日期
1930.12.23
申请号
US19280286101
申请日期
1928.06.18
申请人
FRED BAUMGARTNER
发明人
BAUMGARTNER FRED
分类号
G05D16/16
主分类号
G05D16/16
代理机构
代理人
主权项
地址
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