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经营范围
发明名称
Line check valve
摘要
申请公布号
US2210282(A)
申请公布日期
1940.08.06
申请号
US19390249404
申请日期
1939.01.05
申请人
WILLIAM C. BIDDLE
发明人
JR. ELBERT A. CORBIN,
分类号
F16K15/06
主分类号
F16K15/06
代理机构
代理人
主权项
地址
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