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发明名称
Emergency check valve construction for gas flow meters
摘要
申请公布号
US2903005(A)
申请公布日期
1959.09.08
申请号
US19560563951
申请日期
1956.02.07
申请人
ECLIPSE FUEL ENGINEERING CO.
发明人
ANDERSON GERALD L.;MARGASON JACK V.
分类号
F16K17/38;G01F15/00
主分类号
F16K17/38
代理机构
代理人
主权项
地址
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