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发明名称
Pressure reducing valve
摘要
申请公布号
US2631412(A)
申请公布日期
1953.03.17
申请号
US19490076060
申请日期
1949.02.12
申请人
THE BEATON & CADWELL MANUFACTURING CO.
发明人
WORK ERICH W.
分类号
G05D16/06
主分类号
G05D16/06
代理机构
代理人
主权项
地址
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