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发明名称
Check valve with operator therefor
摘要
申请公布号
US2898080(A)
申请公布日期
1959.08.04
申请号
US19540446251
申请日期
1954.07.28
申请人
TECHNO CORPORATION
发明人
SMITH EDWARD M.
分类号
F16K1/22;F16K15/03
主分类号
F16K1/22
代理机构
代理人
主权项
地址
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