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发明名称
Check valve
摘要
申请公布号
US2426040(A)
申请公布日期
1947.08.19
申请号
US19440525926
申请日期
1944.03.10
申请人
MILLER GEORGE L
发明人
MILLER GEORGE L.
分类号
F24D19/08
主分类号
F24D19/08
代理机构
代理人
主权项
地址
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