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发明名称
Valve means of a reciprocable pump
摘要
申请公布号
GB613226(A)
申请公布日期
1948.11.24
申请号
GB19460017356
申请日期
1946.06.11
申请人
LAWRENCE HATHAWAY
发明人
分类号
F04B9/14;F04B53/10
主分类号
F04B9/14
代理机构
代理人
主权项
地址
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