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发明名称
Pump
摘要
申请公布号
US2577285(A)
申请公布日期
1951.12.04
申请号
US19460716090
申请日期
1946.12.13
申请人
GEORGE W. BENZ
发明人
STEPHAN FRITZ
分类号
F04B1/04;F04B1/06;F04B1/107;F04B9/02;F04B49/12
主分类号
F04B1/04
代理机构
代理人
主权项
地址
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