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发明名称
Pump
摘要
申请公布号
US2723794(A)
申请公布日期
1955.11.15
申请号
US19510245581
申请日期
1951.09.07
申请人
PETERS & RUSSELL, INC.
发明人
RUSSELL LINUS E.
分类号
F04B9/14
主分类号
F04B9/14
代理机构
代理人
主权项
地址
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