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发明名称
Butterfly check valves
摘要
申请公布号
US2934084(A)
申请公布日期
1960.04.26
申请号
US19540422330
申请日期
1954.04.12
申请人
BOEING AIRPLANE COMPANY
发明人
ADAMS CLARENCE R.
分类号
F16K15/03
主分类号
F16K15/03
代理机构
代理人
主权项
地址
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