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经营范围
发明名称
Gas and air trap
摘要
申请公布号
US2103057(A)
申请公布日期
1937.12.21
申请号
US19350009270
申请日期
1935.03.04
申请人
FREYN ENGINEERING COMPANY
发明人
BLUMER JACOB C.
分类号
G01F15/08
主分类号
G01F15/08
代理机构
代理人
主权项
地址
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