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经营范围
发明名称
Pressure reducing apparatus
摘要
申请公布号
US2185713(A)
申请公布日期
1940.01.02
申请号
US19360084181
申请日期
1936.06.08
申请人
PAULSEN SPENCE
发明人
SPENCE PAULSEN
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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