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发明名称
Pump and filling plug
摘要
申请公布号
US2550157(A)
申请公布日期
1951.04.24
申请号
US19470723592
申请日期
1947.01.22
申请人
ERIC MAZZA
发明人
MAZZA ERIC
分类号
F04B9/14;F04B23/02
主分类号
F04B9/14
代理机构
代理人
主权项
地址
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