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发明名称
Self-cleaning sand and sediment trap for pump lines
摘要
申请公布号
US2747737(A)
申请公布日期
1956.05.29
申请号
US19550501270
申请日期
1955.04.14
申请人
FRANK COUGHLIN
发明人
BRYER MELVIN L.
分类号
F16L55/24
主分类号
F16L55/24
代理机构
代理人
主权项
地址
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